Design: Easy attachment on most kayak track systems to create a place for drinks when nowhere is available Highly versatile cup sizing accepts stainless steel tumblers, big water bottles, Naglene ® bottles, 12 oz. cans, etc. Premium materials designed for harsh outdoor environments Well-suited for drop-in of small items with large depth Compatible with YakAttack MightMount’s, GearTrac, and most other kayak track systems from Scotty Fishing Products, RAM Mounts, and YakGear