- 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 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.