Premium Stainless Steel Sublimation Tumbler – 20oz Double-Wall Insulated Speaker Cup
High-grade 18/8 stainless steel construction ensures durability and superior temperature retention for both hot and cold beverages (up to 12 hours). Smooth double-wall vacuum insulation prevents condensation and maintains drink temperature without external heat/cold transfer. Customizable sublimation printing surface – ideal for vibrant, long-lasting designs (perfect for branding, gifts, or events). Unique built-in speaker compatibility transforms the tumbler into a portable music player (3.5mm audio jack included). Ergonomic spill-resistant lid with a sliding closure for easy sipping and on-the-go use (great for travel, gym, or office). Commercial-grade 20oz capacity with a wide mouth for easy filling/cleaning (dishwasher safe for convenience). Wholesale bulk pricing available – unmatched value for retailers, event planners, and promotional businesses.