50 x Archive Standard Acid-Free Protective Sleeves 257x181mm 257x181mm

Acid free printed protective pouches that provide the highest level of standard archival protection, made with 3% alkaline pad for long-term safe storage.Manufactured in the UK to comply with British Standard 4971 - Preservation and Maintenance of Archives and Library Collections, and 18903 for Storage Materials.storage.boutique material: dense, strong and lightweight polypropylene with biaxial orientation (BOPP). Three different individual layers protect against daylight (ultra violet), moisture and damage caused by volatile organic compounds.Transparent: will not darken over time, fits perfectly on a single print for a perfect display, and improves the brilliant quality of the contents of the sleeve.Ideal for very long term safe storage, scratch-resistant, anti-static, safe material for photographic activities. ...