YuCool 2 Pcs Dog Chain Collars, Metal Slip Collar for Training, Chain Choke Collar for Dogs - Heavy Duty, Adjustable(2.5mm;20 Inch)

PACKAGE INCLUDE: 2 stainless steel dog collars,and 2 gourd-shaped climbing buckles., SUITABLE SIZE: The diameter is 2.5 mm and the length is 20.0 inches,please adjust the length of the collar as needed., RELIABLE MATERIALS: Made of stainless steel+chrome plating,safe,reliable and durable., WIDE APPLICATION: Solves leash pulling problems and helps develop active walking habits in your dog., SAFE AND EFFECTIVE: Shiny and sturdy, won't fade or rust,gentle control dog training strangler collar/collar.