Lightweight and easy to take things in and out. Fits your back! Doesn't shake even when running on a Strider. Mesh material on the back! Excellent breathability. ■Size: (Width) approx. 20cm x (Height) approx. 24cm x (Depth) approx. 12cm ■Weight: approx. 150g This is a Strider novelty item. It was stored unopened, but I opened it for the photos. It will be shipped in a new bag. ・Please understand that it has been stored at home. ・It will be shipped compactly. ・Instant purchase is OK. ・The shipping method may be changed from Yu-Yu Mercari Bin to Raku-Raku Mercari Bin. It's round and cute.