1. Material: Mesh
2. Reduce the impact on dog activity after wearing
3. Environmentally friendly PVC plastic mesh, breathable, odorless and non-irritating
4. The fabric is soft and wear-resistant, with zero damage to the skin
5. The length of the elastic is adjustable, it can be fit without falling off
6.The tongue-extending model can fully extend the tongue, but cannot lick the food on the ground