Portable 500ml and 750ml Protein Tumblers with Big Handle

Portable 500ml and 750ml Protein Tumblers with Big Handle. 24H Insulation Performance: Keeps drinks cold for up to 24 hours and hot for up to 8 hours. Premium Material Safety: Made of food grade 304 stainless steel, BPA-Free and Phthalate-Free. Lifetime Warranty: Comprehensive lifetime warranty covering durable powder coat finish. Customization Options: Accepts customized colors, logos (Laser, Emboss, Silk, UV), and packaging. Versatile Usage Scenarios: Suitable for in-car, indoor, office, outdoor, travel, and mountaineering. Certified Quality: Products pass CE and LFGB safety tests for global market access. Experienced Manufacturer: Over 20 years of experience in stainless steel drinkware manufacturing. Fast Sample Delivery: Available samples ready in 2-3 days; custom designs in 5-7 days.