The Mendota Product Check Cord dog leads are constructed of the same multifilament polypropylene roping used in all Mendota’s products. These trainers are UV coated to protect against decay and fading, and are gentle on your hands. They are the professional’s choice for training to come on command and retrieving to hand. Great for in-field or at-home training. They are waterproof and feature all-brass hardware. Mendota Products offers today’s dog owners, trainers and handlers the finest accessories available at a moderate price. Handcrafted “Made in the USA” construction, using only the finest materials, ensures premium performance.