Our grey recycled poly mailers are a low-cost, great value, postal packaging solution for sending a wide range of non-fragile items. Measuring 305mm x 406mm, these mailing bags are made from 50mu polythene and are tear and puncture resistant; ensuring your goods are kept safe from damage during transit. Featuring a grey outer and black inner to ensure your items are concealed, these poly mailers have a peel and seal adhesive strip, guaranteeing a strong, secure closure without the need for additional packing tape. Constructed from recycled materials, our grey poly mailers are recyclable and stocked in packs of 100 bags; a great choice for busy pack and despatch operations who want to take steps towards becoming more eco friendly.