PoochPad PoochPant Diaper Fastens with Velcro (Fasten Velcro when washing) For best results, Pooch Pants Reusable Diapers fit best on dogs weighing 4 x 8 lbs. with a 10 x 13 inch waist. Washer Friendly, Pooch Pad Reusable Diapers are Guaranteed for 300 washes Reusable-no inserts Super absorbent Adjustable fit Durable Guaranteed 300 washings