HIGH-QUALITY SILICONE MOULD FOR HANDCRAFTS This flat Coaster Mould has a smooth interior and produces a beautiful coaster with a professional finish. Use our heat-resistant resin to make something that is not only functional. Dimensions: 13 cm x 13 cm If you’re using these moulds to make coasters, we recommend that you add a 3mm thick clear layer of Heat-Resistant resin first in your mould. Let it set and then add more resin with colour, ink, glitter, flowers etc. Once turned out (after 3-4 days), what was the bottom will be the top and heat-resistant up to 200C! Remember that our Heat-Resistant resin needs up to 72 hours to achieve full cure, so don’t place a hot cup on it too early. DO-IT-YOURSELF. Material: Silicone, Colour: Semi-transparent; Reusable, Non-stick, Easy to use and clean. Warning: do not use aggressive solvents, High-quality moulds, heat-resistant: -40°C to + 210°C [-104° F to +410° F]