The Prodigy BP-4 is Prodigy's smallest and most affordable backpack style bag option. It holds 16-18 discs in the main compartment, and the putter pouch fits 2 additional putters. The BP-4 has a velcro side pocket for storing your essential items, as well as an adjustable water bottle holder that can hold up to 32 oz. The BP-4 is made of high quality 600D polyester. This bag is durable, making it the perfect option for beginners, or those who want a light disc golf bag.