Light Letter, in ABS material and white, whose measurements are 28 x 5 x 30 centimeters. It can be placed on flat surfaces as well as hanging thanks to its two hooks. They work with two AA batteries (not included). Keep in mind that the F, N, U and Z belong to the Small model, which are slightly smaller compared to the rest. The Small model is about 22.5 x 5 x 15 cm.