This is the Pet One Nylon Glow In Dark Cat Collar . This collar is adjustable from 15cm to 22.5cm and is 12mm wide which makes it a perfect fit for a growing kitten. The Glow in the Dark collar helps your pet be more visible in darker areas and also comes with a bell attached which will help protect the local wildlife.Colour: Purple, black, or redStyle: Nylon Glow In DarkAdjustable from 15cm- 22.5cmGlows in the dark which makes your pet more visibleRemovable bell