Sophisticated Design: These sublimation heat transfer coasters are made of high-quality material, soft to the touch and won't wrinkle no matter how you roll them. The non-slip rubber base keeps them firmly in place on the table. The textured design prevents cups from slipping or scratching the table, protecting your valuable furniture; spilled liquids will naturally bead up and fall off. Intimate Gift: These round sublimation coasters make a warm and thoughtful gift, useful for most kitchen needs; plus, you can add a meaningful design to personalize them for birthdays, Thanksgiving, Christmas, or other occasions. DIY Your Coaster: These blank rubber-edged coasters are perfect for DIY projects. The white side is sublimation-coated, allowing you to easily print your favorite images, family photos, or selfies; vibrant colors and clear patterns will transfer perfectly. Printing temperature: 180-190 Celsius / 3100-390 Fahrenheit (approximately 180-190 Celsius), press time: 60-80 seconds. Usage Scenarios: These blank mug coasters are perfect for cafes, restaurants, or homes, suitable for glasses, beer bottles, coffee cups, teacups, and more. Print personalized photos, landscapes, or other images, or use them as souvenirs or art displays. Color: White + Black Material: Neoprene Size: Diameter 10cm, Thickness: 3mm Package Contents: 42 x Sublimation Coasters Note: Light and different displays may cause the color of the item in the picture to differ slightly from the real thing. The allowable measurement error is +/- 1-3 cm.