10 Best Filler For Microwave Heating Bag of August 2025

• LARGE SIZE & EASY TO USE ACROSS ANY PART OF THE BODY: At 26 by 9 inches in size (67 * 23cm), this heating pad can fit across shoulders, back, legs, stomach, or anywhere else on the body where one wants to apply heat. This pad is great for helping relieve tension, relaxing muscles, or relieving pain.
• ALL-NATURAL / ECO-FRIENDLY HERBAL FILLING: This pad is filled with a mixture of clay beads, flaxseed, lavender, lemongrass, chamomile, and peppermint. These contents retain heat well and also have a relaxing and soothing scent when warm.
• REUSABLE | REMOVABLE COVER: This pad is reusable and can be reheated multiple times. Simply place it back in the microwave (or freezer) for the next round of heating (or cooling)! Additionally, the red cotton cover is removable and can be washed and cleaned after use. When washing, please machine wash warm and low heat tumble dry.
• GREAT FOR COLD THERAPY TOO: In addition to heating in a microwave, this pad can also be placed in the freezer and then used for cold therapy as well. Please place in a freezer for at least one hour for best results.
• HEATING INSTRUCTIONS: Heat in a 700W microwave for two minutes and then apply to one’s body. Caution: do not heat for more than two minutes. (Linnai accepts no responsibility or liability for any accidents or injuries from overheating.)

Linnai Products

• For the hot and cold treatment of strain and pain
• Infused with lavender and chamomile to calm and comfort the body and mind
• Filled with natural clay beads to provide moist heat
• Drapes around the neck to soothe tired, sore neck and shoulder muscles
• Can also be used on the back and other problem areas

Earth Therapeutics

• KID APPROVED ANIMAL DESIGN | Made from 100% cotton, your child will love to hug this mini cuddly stuffed hippo whether they need a cold ice pack or a warm compress.
• HEAT AND COOL | This mini hippo toy can be kept in the freezer to be used as a cooling towel kids ice pack for boo-boos. Additionally, warm it up to use as a microwavable heating pad.
• SO MANY USES | Use after being outside in the heat and bugs, when cold season shows up, after a fun (but tiring) day at the park, and so much more.
• NATURAL FILLING | With a patented, doctor-developed process, the natural corn filling is mold-resistant.
• FIRST AID ESSENTIAL | Thermal-Aid animals are pregnancy must-haves when stocking a baby first aid kit, for newborns and toddlers. These natural ice packs can provide tooth pain relief and injury relief throughout childhood.

Thermal-Aid

• Helps with dry eye syndrome - Can effectively help to relieve eye fatigue, Improves the skin around the eyes.
• Heat in the microwave for 30 to 50 seconds - Then apply to the eyes for 8 to 10 minutes each time, or follow your doctor's instructions. This eye mask helps to replenish the water in your eyes.
• Filled with natural flaxseed - It has a high heat storage capacity and excellent heat transfer capabilities. The strap is elastic and can be adjusted according to different head sizes.
• Damp-heat effect - Without adding water, the natural flaxseed absorbs moisture from the air and releases it into a vapor after heating, giving the heated eye mask a damp-heat effect and hence improving the way the mask works.
• If there is any damage or quality problems during the use process, you can contact us and we will give you a perfect solution.

kimkoo

• Fast Relief for Hand Pain & Arthritis- The Relief Expert microwavable heated mittens applying for heat therapy do well in improving flexibility of wrist, post-surgery recovery and fast relief for chronic hand pains such as hand osteoarthritis, muscle stiffness, carpal tunnel syndrome, spasms, nerve pain of hand, pain of joint deformity.
• Natural Moist Heat / Cold Therapy- Warm the filler packs in microwave for 1 to 2 minutes to get soothing moist heat. The therapy mittens distribute the heat pretty well providing full of comfort to the entire hands during hot compress and improving blood circulation. For cold therapy, freeze the arthritis hand warmers in freezer for cold compress to alleviate hand swelling and bruises, soothe sprains and tissue injuries.
• Easy to Secure & Stay Warm Effectively- Adjustable Velcro Straps help secure mittens around hands steadily, which retains heat pretty effectively and hugs hands snugly, keeping warm for a proper therapy time. The heated arthritis gloves with individual thumb holes universally fit for people’s hands, and large enough to fit most. The mittens are suitable for people who are always suffering from many kinds of hand pains, rheumatoid arthritis and carpal tunnel.
• Cozy Minky & Washable Cover- Super-soft cover is made of skin-friendly minky for a comfortable touch. Removable filler packs on each side can be removed easily, so hand therapy mitten’s cover is machine washable and durable enough to reuse. The filling ingredients are filled with organic flax seeds and clay beads that are unscented and retain heat more durable and effective. Heat and moisture therapy provide with deep muscle relaxation.
• Convenient to Use & Warranty Guarantee- Apply heat therapy with this pair of mittens when you watch TV on the couch, sleep or rest, giving your hands a relax therapy. Enjoy the therapy whatever you do. 30 Days free of return, 1 year warranty, prompt and satisfying customer service.

Relief Expert

• FREEZABLE OR HEATABLE- Whether you need therapeutic cold or soothing heat, this gel bead pack is the perfect choice- it can be frozen for fast-acting cold therapy, and is completely microwave-safe for heat therapy!
• USES FLEXIBLE GEL BEADS- The flexible (and fun!) gel beads in this hot/cold pack allow it to remain flexible even when frozen. It contours easily to any part of the body, including neck, elbows, knees, hips, back, wrists, ankles, arms, legs, shoulders, hands and more!
• VERSATILE- This hot & cold pack can be used for a variety of acute and chronic pains and injuries, including arthritis, plantar fasciitis, muscle pain, inflammation, sciatica, and swelling.
• REUSABLE AND DURABLE- Thanks to its reinforced, durable construction, this hot/cold bead pack can be used over and over for maximum value and reliability.
• SOFT-TOUCH FOR COMFORT- Every WellWear hot/cold gel bead pack features two sides with two unique materials. The application side is covered in a soft, cushioned plush for comfort- no towel required! The other side is composed of a transparent plastic revealing the gel beads inside.

WellWear

• SIZABLE COMFORT - The large size heartwarmer pillow is 10x10.5" in size, perfect for men, women and children
• MATERIALS & CARE - Cover: 54% rayon 29% polyester 17% cotton, Liner: 100% cotton, Filling: 100% buckwheat, Remove cover and empty liner before washing, Machine wash cold, Tumble dry low, Do not wash filling, Filling can be placed in freezer for freshening
• RELAX IN COMFORT - The heartwarmer conforms to any part of your body for instant relief, this product is hypo allergenic
• PERSONALIZE TO FIT YOUR NEEDS - Easily adjust filling levels for a comfortable fit to suit your body, unzip the cover and liner to add or remove filling to suit your personal preference
• EXPLORE BUCKY PRODUCTS – Bucky offers delightful travel and personal care products including U-shaped neck pillows, duo hot & cold therapy characters for kids, and light blocking eye masks, click the Bucky link at the top of the page to explore our collections

Bucky

• HEAT for 90 SECONDS to help ALLEVIATE MUSCLE ACHES with ALL NATUAL HOT & COLD THERAPY, for areas you need it most.
• USA GROWN ORGANIC FLAXSEED & CHERRY PIT FILLER, Made and manufactured in the USA! Exclusive Blend of Highest Quality Organic Flaxseed, Cherry Pits and Certified Organic Herbs. Sewn in chamber to help keep filler in place!
• PERFECT SIZE & VERSATILE: size 13" x 7.5". Great for Back, Neck, Stomach, Menstrual Cramps, Shoulder, Knees, Elbows, Growing Pains and more!
• AROMATHERAPY BENEFITS: The calming subtle herbal aroma promotes relaxation while releasing tension and stress!
• SEVERAL COLOR OPTIONS AVAILABLE! Perfect for anyone looking for an all natural alternative to help alleviate stiff muscles, tension and stress!

Sacksy Thyme

• CUDDLE BUDDY - Not only is this one of the best heating pads for cramps, it also comes in a cuddly sloth! It will help relieve your cramp, pain or stress and become your best friend!
• RELIEVE CRAMP PAIN IN TWO WAYS - Most heating pads are just a plain pad. Lulumaia baby sloth heating pad will cuddle with you anywhere and give you relief with their soft, warm body
• ORGANIC EARTHY FILLER - We use ORGANIC proso millet as the heating element. Unlike other products out there, no greasiness as with flax seed, and no bugs or mildew as with corn, rice and other fillers
• FOR YOUR FRIENDS AND FAMILY - Cuddle buddy comes a giftable canvas bag. It is a great gift for your friends and family. Super cute stuffed animal with a microwavable heating pad!
• OUR GUARANTEE - Simple. Give it a try. You'll love it! If not, let us know and you'll get your money back immediately!

Lulumaia

• FULL COVERAGE: Our Sunny Bay thermal neck wrap provides full coverage reaching even your hardest to reach neck, shoulder, and back pain. Our light weight and full coverage heat wrap provides a great options for anyone seeking pain relief. This product's large heating area is unmatched by any portable heating wraps.
• HOT & COLD HEATING WRAP: Because our heating pad is dual purpose and does not require electricity, you can address any injury that requires a hot or cold therapy pack comfortably with no worries. Use it as a thermal pain reliever, neck tension device, shoulder relief, back pain relief and more!
• COMFY & EFFICIENT PILLOW FOR NECK AND SHOULDER PAIN - Comfort and flexibility is what you need! Each of our extra large heating pad & neck is easily heated in the microwave making it efficient. It holds in heat and is designed to provide a flexible and snug fit around your target areas--whether you're standing, driving or moving around. Works better than any back pain relief patch!
• PROTECTIVE & FASHIONABLE NECK PILLOW COVER: Our heat neck pillow is made with high quality products ensuring your safety at all times. Our microwavable heat pillow is protected by a thick fleece covering providing insulation while protecting your skin. Your safety is our first priority!
• REUSABLE & EASY-TO-CLEAN: anti-pill fleece cover is soft and protects your skin while allowing the heat to soothe your tired and aching muscles and joints. To clean and reuse your Sunny Bay Extra Large Heating Pad, simply wipe with a damp cloth or spray with alcohol and wipe off to remove the oil residual.

SunnyBay