YETI. 18010130000 YHOPF12G. HOPPER FLIP 12. RIVER GREEN. Meet the leakproof tough-as-nails carry-the-day soft cooler. Around here we call it the Hopper Flip 12. Its wide-mouth opening makes for easy loading and access to your food and drinks. Its compact cubed body means ultimate portability -- go off road onto the water and back again with this personal cooler. And its extreme insulation means your ice is staying ice.