Thank you for looking! ^ - ^ It's fluffy because it has two layers of quilt batting. This is a shoulder strap cover to reduce digging in, for things like water bottle straps. It's the type that fastens with snap buttons. Size: Open size: 46 x 10 cm Closed size: 46 x 3.5 cm A 2.5cm strap can pass through. Handmade items are 50 yen off from the second item purchased! #runerukio shoulder strap cover #runerukio Lovely Animal Heart Purple