40" Circular Portable Foldable 600D Oxford Cloth and Mesh Pet Playpen Fence The cylindrical 40" Circular Portable Foldable Pet Playpen ($30) is one of the chicer padded playpens out there. It comes in black and pink. Image Source: overstock.com 40" Circular Portable Foldable Pet Playpen $30 from overstock.com Buy Now