This LED light wishing bottle has 6 colors for you to choose from. You can plant the wishing tree by following the instructions included. This wishing bottle is also great as a night light. The material is glass, and the size is 7.5 x 7.5 x 15.5 cm (2.95 x 2.95 x 6.10 in.). OEM is available. Great promotional product! The random sample is $40 (including the freight). When you tell us your design, we can give you a quote of the mold fee.