
Lightweight Jyz-Yd60 Stainless Steel Leakproof Outdoor Flask for Treadmill Training. Vacuum Insulated Performance: Maintains cold drinks cool and hot drinks warm for extended periods. Leak-Proof Bamboo Lid: Features food-safe silicone ring seal to prevent spills in bags. Durable Double-Wall Construction: Inner 304 SS and outer 201 SS ensure impact resistance and rust protection. BPA-Free & Eco-Friendly: Safe materials reduce reliance on single-use plastic bottles. Portable Metal Handle: Sturdy handle allows easy carrying or attachment to backpacks. Customizable Color Options: Colors can be customized according to Pantone standards. OEM & ODM Services: Full customization support for branding and product structure. Multi-Scenario Usage: Ideal for hiking, gym, office, travel, and corporate gifts.