This Peter's Woven Grass Play Ball is a natural woven grass product that provides hours of fun for rabbits and most small animals. It is safe to chew and can be used inside or outside of the cage. Features: Protects sensitive paws from wire bottomed cages No dyes, colors, preservatives or pesticides Safe, natural, and interactive. Intended Pet(s): Rabbits and most small animals. Brand: Marshall Product Dimensions: 7 in L x 7 in W x 7 in H Materials: Orchard Grass Marshall Woven Grass Small Pet Ball | PetSmart