Mendota Pro-Trainer Check Cord - Hand Crafted in the USA -Made of waterproof, colorfast, durable multi-filament polypropylene roping UV coated to protect against decay and fading. Preferred by top professional dog trainers for training to come to command and delivering bird to hand. Measures 1/2 inch by 30 feet. Hand Crafted in the USAWaterproofUV coated