Peters Woven Grass Mat Give your small animal a taste of the outdoors with Peters Woven Grass Mat. This is made of natural, woven grasses that your pet will love to chew, and it can be used as a nest liner. Features: Ideal for rabbits and other small animals. Made of natural woven grass, which makes it safe for your pet to chew. Can be used as a nest liner Item Specifications: Size: 11 x 14 RGP-529 766501005295