SDG 1/2 inch Biothane Check Cord Feature_DedicatedDogButtons Perfect for land or water

Perfect for land or water training (Dummies FLOAT in water)

Leak-proof valve-less design for long life

making it easy to clean and prevents birds from climbing

Rheostat/Volume Dial with 0-100 Stimulation Levels

Backward compatible so you can keep your existing collars and other Alpha® compatible devices

SDG 1/2 inch Biothane Check Cord Feature_DedicatedDogButtons Perfect for land or waterThe SDG 1 2 inch Biothane Check Cord is a training lead made from Biothane a waterproof, easy to clean synthetic material that handles field conditions, mud, water, and repeated use without the rot, stiffness, and weight issues of traditional cotton or nylon rope check cords. The 1 2 inch width is the standard size for retriever training check cords heavy enough for control on medium to large breeds, light enough to run through the handler's hands