Earthdog decorative hemp adjustable Martingale collars feature triple-layer, 100% hemp canvas construction; the highest quality hardware, and distinctive earthdog-style trims. Collars can be machine washed and dryed. Hypoallergenic. Handmade in the USA! We carry 5 fashionable, fun, colorful designs. You're sure to find a style that fits your dogs unique personality! And don't forget to get the matching leash! Small sized collars in sage pattern is 3/4" wide, all other collars in all sizes are 1" wide. Available in 2 sizes small: 8"-14" medium: 14"-20"