Bonawen Super Soft Dog Collar with Metal Buckle for Large Medium Pets Material: hemp fiber cotton , plastic buckle, D ring, Collar size: M , L , Leash size : M , L The cotton collar recommended by trainers, allows for quick, yet gentle correction and has a strong pulling force buckle , also the buckle can adjust the collar to fit any size neck. Please measure your pets carefully for making the right purchase. Always look at the size chart for the recommended weight range to confirm the size The dog collars in the first main picture are sold separately; And their matching leads/harnesses are also sold separately to complete the look