Non-slip backing - with non-skid gripping dots.No matter how much you toss and turn during sleep, the Alsunny underpad stays put.Do not worry your mattress will be wetted due to the pad moves around. The Alsunn bed pad bottom layer is made of Polyester/Polyurethane(the material features: high strength, heat resistance, wear resistance and so on.),which means your waterproof layer won’t break down, even after continuous washes;It is more durable than other PVC or polyester vinyl materials; withstand hundreds of use and washes test. Thicker More Absorption Pad: Polyester fiberfill layer and Absorbent high density inner layer, designed to absorb quickly and lock in moisture for protect your sheet and mattress from any liquid or bodily fluids. Extra Long For Full Coverage: 34 inches wide and 36 inches long provides maximum protection and gives you plenty of room to move around while you’re sleeping without worrying that you'll wander off the pad. Yes! Puppies love to shred bed pads for dogs, which means a mess for you .Alsunny pads-Will not rip or unravel and will continue to provide long-term super-absorbent protection.Great for furniture, car seats,Children, Pets And Protects Furniture. Washable/Reusable underpads will save you quite a lot of money in a long run. Absolutely! Machine wash & dry normal setting. Care Instructions: Don't Use Fabric Softener Don't DryClean,Don't Iron and No Bleach Machine wash at warm or cold temperature (not exceeding 90°C). Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition.