Our Combination Metal & Plastic buckles mix the beauty and strength of polished metal with the light weight benefits of polymer plastic. Sizing: M/L Collar: 1 in. x 16-24 in. M/L Leash: 1 in. x 48 in. XS/S Collar: 1/2 in. x 10-16 in. XS/S Leash: 1/2 in. x 48 in. Made in the USA Collars made in the USA of soft and comfortable nylon overlaid with durable polyester ribbon, which is quintuple stitched at stress points for added strength.