Features: quality silicone material. eco-friendly, non-toxic and Smooth interior makes it easy to de-mold after it's fully cured. or you can use release spray or soap water which may help extend silicone mold's life. please do not use strong corrosive Material. Free your imagination, let's get start to make your creative DIY crafts. You can add pigment, glitter powder and foil confetti into your resin and make a delicate effect For flexible reason, we the mold a bit soft, so you may easily un-mold. If you need a more sturdy support when transfer or move, you can put it on a tray or another mold. We provide full refund or a new replacement, so your purchase comes with a money-back guarante. Have any question, please contact with us!!