[Instructions]: The time and temperature of heat transfer coaster will be different for different hot pressing. Please adjust it according to the actual situation. Our sublimation coasters can withstand the temperature of the transfer machine from 356/180 to 428/220 for about 25 seconds to 60 seconds.[Super gift bag]: The set contains 400 heat sublimation car coaster blanks. You can design many personalized patterns to give to your family and friends according to your hobbies. Enough quantity can also meet your daily needs.[High Quality and size]: Sublimation car coaster is made of high-quality diving material, which is not easy to wrinkle, hygroscopic and anti-skid. The diameter of each sublimation coaster blanks 2.75 inches (7cm) and 0.12 inches (0.3cm).[DIY gift]:You can leave meaningful and patterns on the blank sublimation coaster, take pictures with your family, the beautiful scenery of the tourist destination, and small lucky moments in life, and give them to your family and friends at Thanksgiving, birthday party, etc.[A wide range of applications]:Heat sublimation coasters can be used in , kitchens, bedrooms, cafes, etc. for placing coffee cups, wine cups, tea cups and glass bottles.colour: whiteMaterial: diving materialPackage Contents:40 x sublimation coastersOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.