DIY gift idea: have you ever thought of offering a special gift to your beloved ones? Our blank coaster will be the carrier you want; You can change these pure white coasters to the stylish coaster you want by simple paint or heat transfer printing; Quality diving material, fast color attaching, flexible and durable, waterproof and quick drying, very suitable as DIY coaster gift.Enhance an artistic atmosphere: simple white style is suitable for any situations that needs coasters, putting it in the kitchen, living room, car, bedroom, meeting room, etc., nicely adding pleasant atmosphere for home and work for life enjoyment; It is also suitable for giving as a good gift to relatives and friends for relocation, wedding, birthday party, Halloween, Christmas, Easter, new year and any other activities.Just right design: pure white coaster is smooth in surface and fine in contact, which can easily absorb dye to be bright and beautiful; The back is black neoprene, which features dirt resistant and anti-skid texture, not easy to slide when bumping on the road or putting on the smooth desktop; The finger notch ensures quick removal; Every design detail is provided for your use facilitate.Usage: first directly paint on the coaster with waterproof paint, ink, etc., and use it after drying completely, then put the clean coaster on the flat ironing panel, lay the ironing sticker on the coaster, cover the sticker with a layer of cloth that will not fade, slide the iron evenly on it after heating, so it will transfer the sticker on the coaster, display your favorite pattern and print it on the heat sublimation paper, then transfer the pattern by the heat transfer machine.Package details: General size: approx. 6.5 cm/ 2.56 inch in diameter, suitable for the majority of car cup holders (But we still recommend to measure your holders before purchase, some modelsneed larger sizes).Colour: white + blackMaterial: rubberPackage Contents:20 * CoasterOnly the above package content, other products are not included.Note: Light shooting 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.