12 Washable and Reusable Wee Pee Underpads for Dogs 34x36" Large Reusable Underpad for Kennel or Crate Soft 55/45 Cotton/Poly Twll Fabric which absorbs and wicks fluid quickly Middle Absorbent Soaker pulls fluid from the Surface Durable PVC Barrier is 100% Waterproof. Will not leak like disposables Wash 100's of tmes. Economical and great for the environment.