Sleek and functional, this 550ml insulated tumbler features a smart lock mechanism for leak-proof use, a portable handle, and a hygienic silicone spout. Available in 12 vibrant colors and gradients (e.g., lavender, gradient pink, mint green), it combines style with practicality. Crafted from certified food-grade materials , it supports OEM/ODM customization via screen printing, heat transfer, laser engraving, and 3D printing. Ideal for promotions, gifts, or daily hydration.