Fabric: Bum Bag made of strong, black cotton corduroy, with a symmetrical, unique pattern, created with the RORSCHACH technique using bleaching agents. Each part of the bum bag is individually bleached and printed by hand. _____________ "Corduroy is a strong and durable textile with a distinctive ridged texture. It's deep colors and being easy to clean makes it a timeless favorite." Made from 100% cotton and woven by a traditional German producer, this corduroy is soft, durable, and built to last. Perfect for everyday wear, it combines timeless quality with a clean, sustainable production chain. Features: quality YKK metal zippers used for the front and back 2 inside pockets in the front part for small stuff like keys and phone flat backpocket Size M features the regular strap of 2.5cm / 0.98 in Size L features a broader safety belt strap of 4cm / 1.57 in breadth Measurements: Length Height Depth Capacity M 22cm / 8.66" 15cm / 5.9" 8cm / 3.15" 5 Bio Bananas L 25cm / 9.84" 17cm / 6.69" 9cm / 3.54" 8 Bio Bananas