4-Layer ProtectionBreathable Mesh + Super Absorbent Padding + Waterproof Pu Shell + Non-Slip Bottom (100% Polyester Mesh Surface For Maximum Comfort; High Density Super Absorbent Middle Layer; Breathable Waterproof Pu Inner Layer; 100% Fabric Polyester With Non-Slip Silica Gel Base)Non-SlipThe Bottom Is Made Of Non-Slip Material, Which Can Prevent The Mat From Moving, All Dogs And Cats Will Not Fall Off When Walking Or Playing, Effectively Protecting Pets Pet.Super Absorbent Absorbs And Holds Pee Better Than Any Other Dog Bed, Protects Floors And Carpets And Keeps Them Dry. Similar And Convincing Compared To Disposable Diapers, This Washable Diaper Can Be Machine Washed. After Drying, It Can Be Folded And Stored. You Can Save Time And Money And Reuse Them.Multi-FunctionThese Training Pads Are Great For Puppy Training While Protecting Your Floors. It Is Also Ideal For Dogs With Incontinence Problems, Dogs That Need To Stay Home To Recover From Illnesses Or Injuries And Cats Etc. So You Can Be Sure To Leave Your Pet Alone At Home.