The inner material is non-toxic gel,safe for both human and pets. No need to add water, freeze or chill! Can be used in dogs' beds, crates, kennels, couches, floors, or the back seat of your car. Made of a little cold sensitive hydrophmc fibre fabric self-cooling mat will cool your pets may not so instant cooling as other cool gel mat, in a way it provides a natural cool feeling for your dog slowly with much nicer worthwhile price.
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