Shatterproof lids are available for GEN1 Tumblers in both the 20 oz and 30 oz sizes. These lids are "press on" lids that are not compatible with the GEN2 Tumbler Line which includes "screw on" lids.
BISON COOLERS KEEP ICE FOR FIVE+ DAYS AND ARE 100% USA MADE!
If you're searching for the best heavy duty marine coolers and camping coolers at the lowest prices, then these professional grade coolers are a perfect -- and they're hundreds of dollars less than comparable ice chests! We're so confident these are the best ice chests on the market, we support our products with a 5-year warranty. Bison Coolers are heavy duty coolers that are essential for anyone looking for a high-quality cooler built to lasts for years. Invest in a Bison Cooler that will stand the wear and tear and last you year after year. They also make the perfect gift for any outdoor enthusiast. Don't head out for your next camping, hunting, fishing, boating or tailgating trip without the best cooler on the market. Start living the Bison life and let your cooler life begin!