Made with bluesign approved, 100% recycled polyester fabrics and a waxed canvas with a PFC free durable water-resistant coating Removable TPU rolltop bag allows you to keep items separated and can be removed or tucked away when not in use Thule Aion Sling Bag doubles as a supportive hipbelt (sold separately) Zippered top pocket keeps small items secure, organized and within reach Padded storage protects a 15.6' PC/16' MacBook and 12.9' tablet