The weekend is young, so pack up your new Hopper Flip 18 and head for the hills. The bigger build suits your larger hauls and longer expeditions. Set out with your lunch while you work for your dinner, and have a couple of cold ones to kick back with after. Hopper Flip 18 is durable, leakproof, and versatile with the HitchPoint Grid for tools and accessories. And like all YETI coolers, it's equipped with superior insulation to keep the cold for days. DRYHIDE SHELL: The Hopper's high-density fabric is waterproof and resistant to mildew, punctures, and UV rays. The liner is made from an FDA-approved food-grade material. COLDCELL INSULATION: Closed-cell rubber foam offers far superior cold-holding to ordinary soft coolers. HYDROLOK ZIPPER: The toughest, highest-performing waterproof and leakproof cooler zipper in the world. ADDITIONAL FEATURES WIDE-MOUTH OPENING: Allows easy access and visibility to your contents. HITCHPOINT GRID: Easily attach pretty much anything, including the MOLLE Zinger & MOLLE Bottle Opener.