Ruffwear Hi & Light Collar in Blue Dusk is a super light dog collar with a minimalist design. Built with webbing inspired by rock climbing slings and runners known for their impressive strength-to-weight ratio, the Hi & Light Collar keeps it simple with a strong side-release buckle for easy on/off and Ruffwear's signature collar features: an aluminium D-ring, a piton-inspired separate ID tag attachment point, and a silicone tag silencer.Key Benefits UHMwPE (Ultra High Molecular-weight Polyethylene) webbing is light, strong, and colourfast Easy-to-use side-release buckle Aluminium D-ring provides a secure leash attachment point Easily add or remove tags with Quick Ring Separate piton-inspired ID attachment point Silicone tag silencerSize Guide (Measurement is around the neck!) Large: 20-26" Medium: 14-20" Small: 11-14"Care Guide Hand wash Mild detergent Air dry