1. SOFT MATERIAL The solid color dog collar and leash set is made of cotton and velvet, which is very smooth and comfortable, and it won't hurt the dog's skin. 2. WORRYFREE AND PRACTICAL The combination of the same color set reduces the trouble of different colors of the collar and leash. You can choose the right product in less time. Dog collar and leash set is very practical and can be used to dress up your pet on all occasions. 3. DURABLE METAL BUCKLE We use highquality quick release metal buckle instead of ordinary plastic buckles, which are both goodlooking and durable. Dring can be used to hang a dog tag and attach to dog leash. Cotton Dog collar can be adjusted to the right length with roll buckle to make the dog more comfortable. 4. SUITABLE SIZE Dog Collars are available in a variety of sizes. Medium Collar Width: 3/4'(2.5cm), Length: 14 20'(34 55.9cm). Small Collar Width: 5/8'(2.5cm), Length: 10 14'(34 55.9cm). Large Collar Width: 1'(2.5cm), Length: 18 26'(34 55.9cm). Unified Leash Width: 1'(2.5cm), Length: 6ft (180cm). Measure your dog's neck size ensures you'll receive the fitted size collar for your dog.