1. Material: canvas, straw mat, Oxford cloth 2. Application: 1-20 kg pets 3. Canvas material for the sides, breathable, bite-resistant and easy to clean 4. The front of the mat is a straw mat, and the back is an Oxford cloth. It is more cost-effective for a nest of dual-use 5. Weight: S 380g, M 505g, L655g, XL 770g