Crystal Timer We have all kinds Acrylic (PMMA) products; they can be made as different crafts. They are use for souvenir, promotion, decoration, etc. If you'd be interested, please feel free to let us know. Our products made by Crystal plastic, acrylic resin. They use material of unsaturated polyester. It is clear and transparent; it can be filled with flowers, leaves, plant & animal specimen, metal craft items, sandglass advertising cards. It can be widely used in promotion, decorations, souvenir and home appliance. We can produce 100% customized products, completely according to the specific requirements of our valued customers.