Sleevie Wonder (est. 2008) LARGE BOX SET outer sleeves. Use over 1-1/16 - 1-1/8" thick boxes. 4mil above average thickness. Polyethylene plastic, no flap. Protects from dust, dirty hands, oily fingertips, shelf wear, & minor impact + abrasions. Also preserves shrink wrap. Acid & lignin free, archival safe. Orders go out within 24 hours, USPS (worldwide). Buy other sizes too : ) All sleeves and supplies are BUY 2, GET 1 AT 50% OFF (add 3 to cart). Support Sleevie best w/ multiple items @ checkout ♥ All Vinyl and CD's are BUY 1, GET 1 AT 50% OFF (add 2 to cart).