Keeping it all together Get your documents to your customers safely. STRONG AND SECURE. Strong self adhesive backing will stick to almost all surfaces. Documents are secure. QUICK AND EASY TO USE. Just put in packaging list or invoice through split back, peel off backing and press on carton. PRINTED OR CLEAR. Come in 2 varieties: Printed [DOCUMENTS ENCLOSED" or clear for wider view of documents. Please Note: You may receive an alternative of equal or higher value.