HIGH QUALITY MATERIAL:Reflective collars are made of PP and polypropylene fiber, they are comfortable to wear, durable and strong in . ADJUSTABLE INDOOR OUT DOOR COLLAR:These adjustable safety collar can be adjusted From 19cm - 32cm/7.4-12.5 inch, 0.4 -inch(1 cm) in width . Suitable for almost all , You needn't worry what if your gets fatty or slim, They can be used for a wide range of weight. 12 Vivid Color: Each collar set contain 12 quick release collar of 12 different color, they are red, red, , yellow, fluorescent green, grass green, light green, royal blue, blue, purple, black, orange. You can the color according to your mood. SAFETY REFLECTIVE STRAP: In order to let you easily find your baby at night in the dark, each collar has a reflective strap which can be easily seen in the dark. No worry they may get lost and also makes your in the night. AND SAFETY RELEASE BUCKLE:Apart from the reflective strap, there is also a on each of the breakaway collar, it can avoid situations where there is no light at night, you can still find easily. Break- safety release buckle can let your easily or open the buckle. Material:PP and polypropylene Color: Multicolor : 12 pc Length: Adjustable 19cm - 32cm Width:1cm Package Contents: 12 Pcs * Reflective Collars ( red, red, , yellow, fluorescent green, grass green, light green, royal blue, blue, purple, black, orange) Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.