This is a new 1 inch wide Blue and Grey Diamond design Martingale Dog Collar! This Design has Steel Grey Colored Trim with Diamond Designs in Blue and Black! 4' Matching Leashes are Available! These collars are Not Lined. Made with Strong Metal Nickel plated Hardware (no plastic) and an extra lightweight d-ring on the side for hanging dog tags! (this is not a chain type martingale).