XP Single-side & magnetic door system ,several designs, for easy graphic and lamp change with pvc cupule.The color of outer frame and front plate's edge are the same, whole looks no gap.Frameless light box offers cutting edge technology combined with practical application.The overall depth of the light box is just 48 mm .Custom sizes and alternative colours are available. Can be manufactured with rondo corners if requested. The light box can be hung with tubes , chains, or special metal fittings. thin front clear protector sheet and thin back board for stability