HIGH QUALITY MATERIAL:Reflective collars are made of polypropylene, they are comfortable to wear, durable and strong in use. ADJUSTABLE INDOOR OUT DOOR COLLAR:These adjustable collar can be adjusted From 19cm - 32cm/7.4-12.5 inch, 0.4 -inch(1 cm) in width . Suitable for all , You needn't worry that what if your gets fatty or slim, They can be used for a wide range of weight. 12 Color: Each collar set contain 12 quick release collar of 12 different color, they are red, red, pink, yellow, fluorescent green, grass green, light green, royal blue, blue, purple, black, orange. You can the color according to your mood. This collars set is designed for small pet, such as , , etc. Strong - safety release buckle, easy to open and . Material:polypropylene Color: Multicolor ( red, red, pink, yellow, fluorescent green, grass green, light green, royal blue, blue, purple, black, orange) : 12 pc Length:19cm-32cm Width:1cm Package Contents: 12 pcs * Reflective collars (12 different colors) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.