Promotional Grosche Alpine Stainless Steel Removable Straw Flip n' Sip Bottle – 590 ml The Grosche Alpine 590 ml Flip n' Sip Bottle is a high-quality drinkware solution designed to keep beverages cold and the sip experience clean and convenient. Crafted from food-safe, BPA-free 18/8 stainless steel, this bottle features triple-wall vacuum insulation to maintain optimal temperature for hours. The leakproof Flip n' Sip lid ensures every drink stays secure, while the built-in spout cover keeps the straw clean. It includes a removable straw and is perfect for sipping or chugging. Whether heading out on a hike or commuting to work, this durable and stylish bottle keeps drinks at the preferred temperature. Dishwasher safe for easy clean-up. With every Grosche product purchase, it is helping fund over 50 days of safe drinking water for those in need.