Craft Cushion Envelope : The inside of the envelope has a cushion with excellent cushioning. It is mainly used for A4 size books and product samples. Address sticker and sealing tape are also included inside the pack. It's size is about vertical 370 �E¿½EEE¿½EE¿½EEEEEEE~ horizontal 250 �E¿½EEE¿½EE¿½EEEEEEE~ thickness 5 mms.