Features: The package includes 1/2x bubble edges shape tray molds. They features 2 different size bubble edges. add diversity for your work. Made of silicone, good flexibility and not easy to tear. Compatible with most resins or other casting materials,such as epoxy resin, UV resin, polyester resins etc. Wide Range of Use:The finished product could be a nice container for earrings, rings, coins, keys and so on, to keep your desk in order. it definitely will be a highlight in your room. A setable for DIY:You could put some some glitters, mica powder, liquid resin dye, dry flowers, beads or anything you like into the resin, to create eye-catching art crafts of different colors and patterns. Gift Choice:Perfect for yourself, family members, friends or anyone who likes crafts project. Also you could design your unique handmade storage tray/coaster and give it to friends or family as birthday, housewarming gift, to show your best wish. Package Includes: 1/2 Pieces Coaster Molds Specifications: Material: Silicone Style: Square/ Round Square: Approx.110x18mm/4.33x0.7inch Round:Approx.110x15mm/4.33x0.59inch note: Please allow 1-2cm errors due to manual measurement,Please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.