The product fits most paper roll sizes(max length is 4.9in;max radius is 2.4in).Suitable for for Bathroom,Kitchen,Lavatory, Touring car and Toilet. The entire toilet paper holder is made of high quality 304 stainless steelEnding with a suitable size knob easy to ensure that the paper roll does not fall off. A spare adhesive backing is included in case you want to change the holder position.