Washable Training Pads - Economical & Eco-Friendly: Set of 3 reusable pads with a size of 21? x 15?. Reduces waste compared to conventional disposable pads making these reusable training pads the better and more sustainable choice. Made of 100% polyester and needle-punched non-woven layers, these pads are the ideal choice for puppies, aging/sick pets, or dogs without outdoor access.