Features: 1. Uses simple and quaint 100% cotton knitted canvas, colorful ethnic customs is more suitable for Ukulele. 2. Thickness with added cotton of 0.5cm / 0.20 in. 3. It is a hand-held backpack with a front pocket. 4. It is a kind of foldable backpack. Specification: 1. Material: Oxford cloth 2. Style: Hand-held backpack with a front pocket 3. Suitable for musical instruments: 21-inch \ 23-inch \ 26-inch Ukulele. 4. Thickness with added cotton: 0.5cm / 0.20 in 5. Size : 1) Unfolded about: 21inch: 57*20*8cm / 22.44 * 7.87 * 3.15 in 23inch: 65*24*8cm / 25.59 * 9.45 * 3.15 in 26inch: 70*26*8cm / 27.56 * 10.24 * 3.15 in 2) Folded about: 21inch: 27*19.5*9 cm / 10.63 * 7.68 * 3.54 in 23inch: 30*24*9.5 cm / 11.81 * 9.45 * 3.74 in 26inch: 34*26.5*11 cm / 13.39 * 10.43 * 4.33 in Package Content: 1* Gig Bag for Ukulele