Come and see our amazing products. These decoder glasses are made of eco-friendly, double-mounted, 250 GSM ivory cardboard, plus 0.16 mm-thick PVC lens. A customized logo can be printed on the frame. It is an ideal giveaway for cinema, schools, community groups, and more promotional events. Super saver shipping. Pls confirm with us about the packing info, stock status and exact production time before placing your orders.