material

wooden cover+self adhesive inner sheets

 

cover

4mm thickness high density wooden board+unique piano baking varnish craft

inner sheets

self adhesive inner sheets, 300 grams white paper jam+0.04mm double-sided eco-friendly BOPP film, can be recycled, in total 20pcs/40pages 

inner size 

up to 31.5x32.5cm, 12x12''

binding 

screw perfect binding