Premium 350ml/500ml Custom Double-Layer Stainless Steel Insulation Water Bottle

Vacuum-sealed 304 stainless steel construction ensures 12-hour heat retention and 24-hour cold retention. Outer layer features scratch-resistant brushed finish with ergonomic handle for comfortable carrying.

Food-grade 18/8 stainless steel interior resists odors and stains, while BPA-free plastic lid with leak-proof silicone seal prevents spills. Compatible with car cup holders and backpack pockets.

Ideal for outdoor adventures, gym sessions, office use, and travel. Custom branding available for bulk orders (500+ units) with logo engraving or color printing options.

Wholesale exclusive: factory-direct pricing with MOQ flexibility. Ships globally with bulk discount tiers (5% off 1000+ units). ASTM/CE certified.