Premium 40oz double-wall vacuum insulated tumbler with advanced temperature retention technology for 24-hour hot and 36-hour cold beverages. High-grade 18/8 stainless steel construction features rustproof food-grade interior and durable powder-coated exterior.

Integrated wireless smart music display with Bluetooth 5.0 connectivity and touch-sensitive LED controls for seamless song/volume adjustment. Sublimation-ready blank surface with ultra-smooth 360° printing area for permanent custom designs using heat presses.

Ergonomic handle with anti-slip silicone grip and detachable leakproof straw lid (BPA-free Tritan material). Includes condensation-free thermal base and non-slip bottom ring for car cup holders/desk use. Ideal for baristas, outdoor events, gym hydration, and branded corporate gifts.

Commercial-grade construction withstands dishwashers/daily use. Ships from US warehouse with bulk order discounts available. Compatible with all standard sublimation inks/papers for vibrant DIY customization.