Premium 450ml double-wall vacuum insulation keeps drinks hot/cold for 12/24 hours

Food-grade 304 stainless steel interior with odor-resistant coating for safe daily use

Ergonomic push-button lid with leakproof silicone seal prevents spills in school bags

Lightweight yet durable outer shell with scratch-resistant matte finish (380g)

Wide mouth opening fits standard ice cubes + easy cleaning brush included

BPA-free materials meet US FDA & EU food contact safety standards

Multi-scenario use: classroom hydration, sports practices, family picnics, travel companion

Exclusive wholesale pricing for bulk orders (MOQ 100pcs) with global logistics support