... :2008,SGS b.Durable & tearing resistant c.customized size,logo d.Waterproof custom size recyclable poly mailercourier bag and mailing bag, express ... also we can make it as EPI, OXO biodegradable.2>size: according to client's specific request, costomised.3>usage: express ... , the bag has strong permanet adhesive seal strip. Once you stick onto the bag, you can not open it again uncless ...