The length measuring device is shipped with transparent transfer paper. our product is printed on film. no harmful chemicals are used. it should be applied to a flat and clean surface. you can remove any trace on the wall at any time. it can be easily erased without tearing in water. designed to be easily applied to your site. more than 100 stocks for sale from the campaign price. Improved version for clearer understanding and better search visibility. Suitable for users seeking detailed and reliable product information.