Come and see our amazing products. LED flash cup mat, made of EVA material, 2 inches in diameter.The surface can be flashing, the back has sponge glue which can be pasted and fixed at the bottom of the cup, and the back of the cup cushion has 2 CR1220 batteries.There are a variety of colors to choose from.The trademark can be printed on the front of the coaster.Lightweight EVA material is pasted at the bottom of the bottle, and LED light can directly penetrate into the bottle and cup to add a touch of color to the monotonous wine. Pls confirm with us about the packing info, stock color and exact production time before placing your order.