SmileyUS 4Pcs Small Dog Puppy Cat Adjustable Collar with Bell 4 Colours Material:High quality nylon,durable,soft and skin-friendly. Applies to:Dog\puppy\cat,design for small breeds Color:4 colors Buckle:plastic release buckle easy on and off. Size:S Width:1cm Fits to neck:21-30cm M:width 1.5cm fits to neck 22-36cm