Reusable - Can be used for BOTH warm and cold compression. The gel pack is reuseable and can be freezable while still remaining soft or heated in the microwave. Serves as an ice pack or heating pad. Perfect for any body part: Knee, Arm, Thigh, Leg, Foot, Lumbar, Cervical, Upper and Lower Back, Shoulder, Rotator Cuff, Neck, Calves, Shins, Hips and moreHot Or Cold Compress – Trek Proof medical-grade gel packs are safe for the microwave and freezer to easily rotate between icing and heating injuries. Keep one handy in your fridge for a first aid icing emergency or your everyday comfort from painVersatile– Useful for common conditions, broken bone, fever, bruise, sprain, strain, hernia, plantar fasciitis, tendinitis and shin splints. Useful for a variety of sports athletes, including: football, soccer, running, gymnastics, swimming, golf, tennis, baseball and basketballHealthcare Professional's Choice – Used by thousands of Physical Therapists and other healthcare professionals for cold therapy to aid acute & chronic pain, muscle pain, arthritis, inflammation, swelling, menopause-related hot flashes, and injury recoveryPREMIUM CONSTRUCTION – Double sealed to prevent leaking; with extra thick nylon exterior. Washable and reusable. Cold therapy pack is latex-free and is filled with non-toxic silica gel, so it's safe for all ages to use. 100% MONEY BACK GUARANTEE, NO QUESTIONS ASKED, NO CATCHES!.Size:M,19.69x15.75in/50x40cmDescription:There is an easier way for your Dog or Cat to get Cool!The pad is activated by your dog's weight.Every area that their body comes into contact with will be cooled because the pad absorbs the body heat to cool him or her down.Mat absorbs your body heat and provides naturally cool relief. Safe for Your Pets! Gently brings down Body Temperature by Absorbing Body Heat! Made from quality CMC (Thickener) + Polymer + Kathon (These ingredients are tested and guaranteed by the manufacturer as being "Food Grade 1").Automatically cools when an animal lies on it and instantly reduces body temperature.Features :Safe for Your PetsNo freezing requiredNo electricity- no wires NON TOXICUse indoors, outdoors and when travellingAutomatically cools when lies on itOuter material: PVC or NylonInner material: Carboxymethylated Cellulose, WaterColor:blueSize:S:30*40cmM:40*50cmL:90*50cmPackage Includes:1 x Pet Cooling PadNote: Before making your purchase, please get proper measurements of your pet LYING DOWN. Please then compare results to given sizes to determine the correct size.