Product Description:  Made of high-quality TPU material, this foldable soft flask is BPA-free, odorless, and eco-friendly, ensuring safety and durability. Its leak-free design with high pressure tolerance makes it ideal for running, cycling, and outdoor activities. The wide screw opening allows quick filling, easy cleaning, and drying while supporting ice cube addition. Available in multiple colors and capacities like 350ml, 450ml, and 500ml, it fits most backpacks and meets various hydration needs.

• Size:  customized size
• Material: TPU
• Print: Silk-screen print
• Colors: Any customized colors are also available
• Lead time: 5-7days
• Packaging: 1pcs/box
• 100% Free Design Service
• MOQ: 100PCS