EZwhelp Washable Whelping & Puppy Pad 41" x 41" Rounded corners minimize curling and help pads lay neatly against box or crate walls. Laminated pads are the best environmental fit for low energy demand and impact. Designed to maximize absorbency and minimize leaks. Waterproof bottom. Long life durability through many normal wash cycles. Brown stain-resistant top facing. White textured barrier (bottom side). Use with brown side UP.