1.【Soft Material】AVELORA dog collars and leashes are made of nylon and SBR foam. It is softer and more comfortable than other nylon products. 2.【360° Swivel Buckle】Swivel to fasten the belt to prevent dog tangling and tangling. Heavy duty metal buckles make our training leash outlast most leashes. 3.【Custom Style】This dog collar and leash set is new product, the color design and style are unique and beautiful, make your dog unique. 4.【Size Guide】The width of the dog collar and leash is 5/8 inches. They are suitable for small and medium pets