of food grade silicone, this skull is (40℃ to 230℃) and sturdy for over 5 years of use It resists deformation for crafting every time Perfectly sized for making coasters and decorative skull shape items Ideal for Halloween parties, themed event, or home decoration with detailing Without complex tool needed—simply pour resin at room temperature and let it cures in 4 hours Beginner friendly for of all skill levels creation Food safe silicone ensures child friendly use Great for family gatherings, kids ' parties, and crafting supplies Beyond Halloween, these suit birthdays, weddings, and festivals functional coasters or eye catching display pieces for any occasion