Venuscello® Grey Mailing Mailers Postal Postage Poly Mailer Self Sealing Polythene Envelopes for Cloths & Shoe Box Packing Shipping & PostingVenuscello Grey Poly Mailers Shipping Mailing Bags Strong And Durable : Perfect for protecting your goods against the elements. Manufactured from grey high grade polythene so you can be assured of item quality & consistency. Lightweight : venuscello packaging postage envelopes are very lightweight & sturdy. seal easy and have a good capacity. if you have a smaller item. you can just fold the bag in half and stick the adhesive that way. water and dirt