Cute Size, Colorful Style: Six beautiful colors and a compact shape make the sublimation tumblers bulk an ideal accessory for gatherings, check-ins, and sharing moments Food-Grade 304 Stainless Steel: Made with 304 stainless steel, our sublimation tumblers are reliable and suitable for hot and cold beverages. Ideal for coffee, smoothies, cold drinks, and water at home, in the office, at the gym, or during commutes Even & Firm Sublimation Coating: The stainless steel bulk tumblers feature an auto-spray process, creating a smooth, long-lasting coating for clear transfers and bright colors. They are suitable for DIY projects, small business use, and personalized creations All-Day Hot & Cold Performance: Double-wall vacuum structure keeps drinks cold for up to 12 hours and warm for up to 8 hours. The PS lid with a sealing silicone ring helps reduce leaks, so you can carry sublimation cups in a bag or keep them in the car