Happy Birthday Dog Collar. For the birthday pup! This collar says "Happy Birthday" all over the collar. Made with quality stain and fray resistant ribbon sewn onto durable high-tensile strength nylon webbing. Hardware is solid brass snap hooks are steel with a brass finish and quick release buckles are Coast Guard approved for high weight hold. Machine wash air dry. Sizing:XS(N): 6-12 in. L x 5/8 in. WS(N): 9-15 in. L x 5/8 in. WM(N): 12-18 in. L x 5/8 in. WM(W): 12-18 in. L x 1 in. WL(W): 15-21 in. L x 1 in. WXL(W): 18-24 in. L x 1 in. W