Features: Wear them on different festivals: The puppy collars are applied on different festivals, such as Valentine's Day, Easter, Labor Day, Christmas, New Year and more, which makes your pets stand out from the crowd. Ideal gifts: The dog collars can be sent as ideal gifts for your family members, friends, relatives, neighbors, and other people who raise pets, and they can help to strengthen your relationships with others. Specifications: Main material: nylon and plastic Main color: red, blue, purple, black, green, pink Size: Small size: about 10-13.7 inches/ 25.4-34.8 cm long and about 0.59 inches/ 1.5 cm wide Medium size: about 12.2-17.7 inches/ 30.99-44.96 cm long and about 0.79 inches/ 2 cm wide Large size: about 13.8-21.7 inches/ 35.05-55.12 cm long and about 0.98 inches/ 2.5 cm wide Package includes: 6 x Reflective dog collars Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays.