Introducing the Chain Reaction Collar, featuring a martingale design with a reflective Tubelok webbing and a stainless steel chain section. Ideal for dogs prone to slipping out of regular collars, this limited-cinch design offers security and peace of mind. Packed with Ruffwear's signature features including a separate ID tag attachment point, a silicone tag silencer, and durable webbing that retains its color wash after wash. Tubelok Webbing is colorfast and long-wearing Reflective details Short section of stainless-steel chain is strong and limited-cinching Martingale design for dogs who can back out of traditional collars Materials Main Fabric: Tubelok webbing Fabric Materials: 100 % polyester Chain: Stainless steel V-ring: Aluminium Tag: Silicone O-ring: Stainless steel