Dogline Soft Padded Round Microfiber Martingale Dog Collar (W 1/4-in x L 14-in) and Leash (W 1/4-in x L 4ft) for Dogs, Green Collar W 1/4-in x L 14-in; Leash W 1/4-in x L 4ft, Green Rivetless Design, 8 colors and 7 sizes available Durable Microfiber Material, Reinforced with nylon band Two-Ply design for added softness, Padded interior for maximum comfort Machine washable