1. [Material] This DIY heat transfer accessory is made of neoprene, with a heat transfer layer. It is soft, wear-resistant, elastic, not prone to deformation, and has an anti-slip texture at the bottom. 2. [Customizable] The heat transfer coasters can be printed with patterns of your choice to make them unique. You can carry out DIY work freely and easily perform heat transfer on these blank coasters. You can make a coaster handicraft with a theme you like for yourself or your family. 3. [Sufficient quantity] There are a total of 42 heat transfer blank coasters in 6 shapes, including circles, squares, hearts, flowers and hexagons, with 7 of each shape. The sufficient quantity and diverse sizes can meet your daily or DIY needs, and you can also share them with your family. 4. [Wide application] The heat transfer coasters can be used in places such as living rooms, kitchens, bedrooms, and cafes to place coffee cups, wine glasses, tea cups and glass bottles. You can leave blessings and meaningful words on the coasters and give them to your family on occasions such as birthdays, Thanksgivings and Christmases. 5. [Easy to make] The time and temperature for heat transfer of coasters with different heat presses may vary. Please adjust according to the actual situation. The heat transfer coasters can withstand a temperature of 356°F (180°C) to 396°F (220°C) in a heat transfer machine for about 25 to 60 seconds. 6. Material: Neoprene 7. Color: White + Black 8. Package contents: 42 heat-insulating coasters (a total of 6 styles, 7 of each style) 9. Only the above package contents are included, and other items are not included. 10. Precautions: Due to light reflection and different displays, the color of the product in the picture may vary slightly from the actual one. The measurement tolerance is +/- 1 - 3 cm.