Thxpet Puppy Training Pads (160 Pack), 13" x 18" Pads measure 13 inches x 18 inches Contains 160 pet training pads per pack Uses 5-ply leak-proof Floor Armor system with 100% leak-proof guarantee; heavy-duty leak-proof liner protects floor and carpets Built-in attractant draws dog to pad; super-absorbent quilted core provides maximum absorption, and quick-drying top layer prevents tracking 100% SATISFACTION GUARANTEE: If, for whatever reason, you don't absolutely love your new expert crafted Thxpet pet training pads, just return it. We'll refund every penny (or replace it, if there is a problem).That's the THXPET Guarantee