50 Pack,Vinyl record mailer,12.5x12.5x2inch , Easy-Fold Shipping Box, White,Height Adjustable,Literature mailer,Comic book mailer HEIGHT ADJUSTABLE - Height of the integrated mailbox is flexible for the mailing of multiple height items, can be adjusted to 0.5",1",1.5" and 2" as needed. SUITABLE FOR-The exterior white shipping box which dimensions is 12.5x12.5x2 inch can be used to mail vinyl record, photo albums, photo frames, comic book,literature etc, and you can paste stickers or write on the box;EASY -FOLD -Place the product in the middle of cardboard mail, select the appropriate depth folding, seal with tape or glue, pre-processed creases make the whole folding process simple and fast. DURABLE GOOD QUALITY-Effectively resist violence express. The letter size shipping box is strong enough to resist pressure. BUY NOW RISK FREE - If for any reason, you don't absolutely like the white mailing boxes,just return it, and we'll refund every penny (or replace it, if there is a problem).