Fine-tuned for your next fishing trip, this 28-quart wheeled cooler with 4 built-in cup holders combines grippy, non-marking soft-ride rally wheels with a full suite of marine-grade features, from UV protection to rust-proof stainless-steel hardware, to keep drinks and snacks (or the catch of the day) cold, fresh and there when you need it. The Marine Ultra Quantum 28 Quart Roller features Cool Riser Technology? to improve the cooling performance by elevating away from hot surfaces - 3 days of ice retention!