VACVOU sublimation tumbler will give casual vibes to your family or party. Great for home、office、camping、beach party and picnics，etc ! The sublimation tumbler skinny straight is suitable for personal gift making, whether it's Christmas、Valentine's Day、Wedding、Halloween、Birthday etc. It's always stands pleasantly surprising . Easy To Make Sublimation The 20 oz sublimation tumbler is completely straight not tapered. You can easily make a perfect sublimation. How to Sublimation This Tumbler If you choose heat press machine to sublimation blank tumblers , set temperature to 300 ～ 360° F for 40 ～ 50 seconds. If you choose oven to sublimation blank tumblers , set temperature to 300 ～ 360 ° F for 5 ～ 6 minutes. Sublimation Tumbler Material The sublimation tumbler is made of food-grade 304 stainless steel, no rust, no condensation, great for wine， beer，champagne，coffee and cocktail，etc. Keep Hot or Cold The sublimation skinny tumbler double wall vacuum insulation, can keep hot for 9 hours and keep cold for 12 hours. so you can use it in any season.