storage.boutique Document/Paper Ephemera Protection Sleeves, Archive Standard, Acid Free, A4, 300 x 214 mm, 40

ACID FREE DOCUMENT protective sleeves which offer the highest level of ARCHIVE STANDARD protection, made with a 3% alkali buffer for long term safe storage MADE IN THE UK to comply with British Standard 4971 - Conservation and care of archive and library collections, and 18903 in relation to storage materials. NEW TECHNOLOGY material from storage.boutique - dense, strong and lightweight Biaxially Oriented Polypropylene (BOPP). Three different individual layers protect against daylight (Ultra Violet), moisture, and volatile organic compound damage. CRYSTAL CLEAR - does not cloud over time, fits neatly over a single document or paper item to display perfectly, and enhance the glossy quality of the sleeve contents. IDEAL for very long term, safe storage - scratch-resistant, anti-static, photograph activity safe material.