Made of vinyl, these static cling decals will safely stick to most clean, smooth surfaces. Instruction sheet included and for best results, apply with water and remove with ease. Each set includes 2 standard clings that measure 12 inches by 6 inches. The blossom wedding window cling may be personalized with two block first names (max of 12 characters per name) and wedding date in your choice of background color at no additional cost.