Design Your Own: The sublimation mug is coated with a layer of premium sublimation coating, the sublimation slim mug allows you to design a beautiful mug in your own style. It is used for sublimation and has a premium coating while the printed color will not blur, which is different from other ordinary white mugs. It is a good choice if you want to DIY your own mug. Stainless Steel Vacuum Insulation: Double-wall vacuum insulation design with stainless steel helps keep your drink at the right temperature for hours (keeps your drink hot for 3 hours and cold for 9 hours). Premium material makes it never rust, sweat-proof, condensation-free and easy to clean. Perfectly Straight: The sublimation slim mug is perfectly straight with no taper, making it easier to fully wrap sublimation printing through a mug press or sublimation oven. Repeat, it's perfectly straight Stainless Steel Straw + Anti-Splash Lid: Our stainless steel straws are suitable for iced coffee, tea and water, and they are wide enough for sipping thick drinks such as smoothies and milkshakes. No need to worry about making a mess in your car because each cup has a splash-proof lid to hold tightly. PS: The stainless steel straw comes with a straw cleaning brush for easy cleaning of the straw. Perfect Gift: Sublimation cups are best for DIY, you can add any design thinking you want. It is suitable for various festivals or crowds. We put our ideas into the design, it is completely unique and beautiful, making it look more like a gift Color: White Material: Stainless Steel Package Contents: 4 * Cups 4 * Straws 4 * Cleaning Brush Only the above package contents, other products are not included. Note: Light and different monitors may make the color of the item slightly different from the actual object. The measurement allowable error is +/- 1-3 cm.