Details

• Upgrade your drinkware collection with our custom stainless steel tumblers 400ml, featuring premium inner walls and copper-coated double-wall insulation.
• These BPA-free, freezer-safe insulated tumblers keep beverages hot for 4 hours and cold for 6 hours.
• Designed to fit most car cup holders, they are perfect for personalized gifts, promotional giveaways, and corporate branding.