The holder is acrylic+aluminum alloy, which is non yellowing, waterproof, non rusting, simple and elegant, with rounded edges holder is suitable for most roll sizes It can be used in the bathroom or kitchen : use nail-free glues to install, no need to, simple and fast The holder with tray is large enough to hold various objects, such as mobile phones, speakers, watches, keys, and towel holder is suitable for almost all decoration styles, adding beauty and convenience to your bathroom