This appears to be a Flyweight Canister from THE NORTH FACE. It's a lightweight pouch or sacoche-style bag. Brand: THE NORTH FACE Product Name: Flyweight Canister Features: Lightweight and convenient for storing small items during outdoor activities or travel. Size: Approximately 17cm (height) x 29cm (width) x 3cm (depth). It doesn't have a strap and was used as a pouch. Color: Pink系 (Pink-ish) Example Model Number: NM91602 (Size S) Lightweight and practical body bag, perfect for outdoor use. - Brand: THE NORTH FACE - Color: Red - Style: Body bag/Waist pouch Thank you for viewing. Color... Pink系 (Pink-ish)