Nylon Padded Soft Mesh- With padded materials and ergonomic design, this dog collar is comfortable and will not hurt pets. Breathable in summer and suitable for all seasons (Please measure before purchase). Breakaway Design Dog Collar- Quick release, easy to put on and take off. Adjustable length, a little elastic, comfortable to wear. buckle is lightweight but has strong load capacity, promoting the expandable ability of the leash. Multiple sizes dog collar, available in a variety of sizes, suitable for puppies, small, medium, large dogs, cats or other pets. Different collars for boys, male pets or girls, female pets. Reflective Dog Collar Design- Equipped with reflective material, the dog can be easily spotted at night. Ensure safety. Dog Collar Can Connect Leash- The zinc alloy O-shaped ring on the collar allows you to hang or connect the leash, is very durable and strong."