The JASPER Insulated Straw Tumbler is the perfect companion for hydration wherever life takes you. Crafted with triple-wall insulation, the JASPER keeps your drinks cold for hours, outlasting other major brand tumblers. Whether you’re at home, school, the office, or hitting the gym, this tumbler ensures your beverage stays refreshingly cold without condensation. The insulated leak-resistant straw lid makes sipping on the go a breeze, and its sleek design is cupholder friendly, so you can take it with you anywhere. Plus, it’s dishwasher-safe for easy cleaning, making it as convenient as it is stylish. GROSCHE takes pride in being a carbon-neutral and family owned Certified B Corporation that cares about social and environmental responsibility. And thanks to loyal customers like you, together we’re making a difference. When you buy a GROSCHE product you're funding 50+ days of safe drinking water for someone in need through the GROSCHE Safe Water Project.