Engineered with premium 304 stainless steel and advanced double-wall vacuum insulation, this 500ml sleek contoured flask locks in heat for 12 hours and cold for 24 hours, boasting a leak-proof lid, ergonomic one-hand grip, and scratch-resistant build—ideal for daily hydration, outdoor adventures, and custom branded gifting that stands out.
Leak-Proof Insulated Flask
Crafted with food-grade 304 stainless steel and double-walled vacuum insulation, this 500ml flask features a 100% leak-proof lid with a precision silicone seal that locks in 12+ hours of heat and 24+ hours of cold, preventing spills in bags while boosting insulation performance—ergonomic, durable, and fully customizable with logos for daily use, outdoor adventures, and branded gifting.
Rugged Powder-Coated Bottle
Featuring a superior scratch-resistant powder-coated finish for long-lasting outdoor durability, this 500ml contoured stainless steel bottle delivers reliable double-wall vacuum insulation to keep drinks hot for 12 hours and cold for 24 hours, with a leak-proof lid and bike-friendly ergonomic shape that fits seamlessly in bottle cages—built tough for every adventure.
Pure Taste & Safe Hydration
Made with premium food-grade 304 stainless steel and 100% BPA-free, non-toxic construction, this vacuum-insulated bottle delivers long-lasting temperature retention without any metallic aftertaste or rust, featuring a safe, eco-friendly design perfect for daily hydration and outdoor adventures that prioritizes health and sustainability.
All-Day Temperature Mastery
This 500ml contoured stainless steel flask locks in your drink’s ideal temperature for hours, featuring a sweat-free, condensation-resistant finish that stays comfortable to hold, with a leak-proof lid and rugged build ready for any adventure, plus full custom logo options for branded gear and gifts.
Frequently Asked Questions
How long can this flask maintain the temperature of beverages?
Thanks to the advanced double-wall vacuum insulation, our flask can keep drinks hot for up to 12 hours and cold for up to 24 hours.
What material is used for the construction of these bottles?
The bottles are made from premium food-grade 304 stainless steel, which is rust-proof, BPA-free, and ensures no metallic aftertaste.
Is the flask lid truly leak-proof?
Yes, it features a 100% leak-proof lid with a precision silicone seal, making it safe to carry in bags without worrying about spills.
Is the exterior coating durable for outdoor use?
Absolutely. Our bottles feature a scratch-resistant powder-coated finish designed for rugged outdoor durability and a comfortable, sweat-free grip.
Can this bottle fit into a standard bike bottle cage?
Yes, the 500ml flask is designed with a sleek, contoured ergonomic shape that fits seamlessly into most standard bike bottle cages.
Is the bottle sweat-free during use?
Yes, the double-wall insulation prevents condensation from forming on the outside, ensuring the bottle remains sweat-free and easy to hold.
Yongkang Yifu
