The YETI Tundra 45 combines versatility with durability. This premium cooler is infused with that legendary YETI toughness a durable rotomolded construction and up to two inches of PermaFrostâ Insulation. Which is to say it's built to last and will keep your contents icecold even in sweltering conditions, like a tripledigit summer day in central Texas. No bowing, cracking, or melting here. Technology Features Fatwallâ Design: Extrathick walls hold up to two inches of insulation for unmatched ice retention. PERMAFROSTâ INSULATION : Pressureinjected commercialgrade polyurethane foam in the walls and lid makes sure your ice stays ice. ROTOMOLDED CONSTRUCTION : Makes it armored to the core and virtually indestructible. Technology Additional Features TREXâ Lid Latches : Heavyduty rubber latches are made with patented technology so you'll never see another busted latch. Anchorpointâ TieDown Slots : Molded tiedown slots for easy mounting to your boat, trailer, or truck bed. NeverFailâ Hinge System : Two hinge pins and interlocking design prevent the hinge from ever breaking. Interlockâ Lid System : Creates a formfitting barrier against the heat. Coldlockâ Gasket : A freezerquality gasket circles the length of the lid to block out the heat and lock in the cold. Lipgripâ Handles : Stay out of the way and make carrying your catch seem less of a chore. Doublehaulâ Handles : Militarygrade polyester rope for extra durability. Vortexâ Drain System : Leakproof, rugged, and designed for quick and easy draining. Bearfootâ NonSlip Feet : Prevent sliding to keep your YETI in place.