The Green Pet Shop Kat Pak, 4-Pack Made from recycled paper; lightweight, strong, water resistant Reduces smells; cuts scattering, no clean up Easy to use, easy to travel with Open size is 13-inchw x 15-inchh x 189-inchl 4 to Pack Made from recycled paper; lightweight, strong, water resistant Easy to use, easy to travel with Open size is 13-inchw x 15-inchh x 189-inchl 4 to Pack