Work on your short game at your convenience with the VESSEL Putting Disc. This practice putting tool allows you to create a putting hole almost anywhere including your own backyard. Crafted from polyurethane. this putting tool is flexible. durable. waterproof and easy-to-clean. A multi-functional golf accessory. the VESSEL Putting Disc doubles as a drink coaster. Features a sturdy carabiner clip which can be attached to your golf bag.