Prostar 450ml Cork Bottom Tumbler – Premium Vacuum Insulated Flask for Business Gifting
Dual-layer 18/8 stainless steel construction ensures superior temperature retention—keeps drinks hot for 12 hours or cold for 24 hours. Innovative cork base enhances grip, prevents surface scratches, and adds a touch of natural elegance for professional settings. High-grade vacuum insulation technology eliminates condensation, maintaining ideal beverage temperature without sweat rings. Sleek, minimalist design with a polished finish, perfect for corporate gifts, office use, or outdoor activities. Lead-free, BPA-free materials ensure safety, while the leak-proof lid guarantees hassle-free portability. 450ml compact capacity balances convenience and functionality, fitting car cup holders and backpacks effortlessly. Custom branding opportunity on the cork base or tumbler body for premium corporate gifting solutions.