With self-adhesive photo corners mounting your pictures is fast and easy Furthermore these transparent photo corners are acid-free meaning that theyre forgiving on your pictures and photos You get 250 photo corners each measuring 13x18 mm in each pack Photo corners are perfect when for example you want to mount pictures in a photo album without using glue And because you stick down the corners of the pictures theyre protected from curling and damage over time The result is an attractive convenient and reliable way of mounting your pictures