Brand: RockBros Size: 22.5 x 35 cm (flat pouch bag); 18 x 9 x 9 cm (black rear) Product type: saddle bag Special features: lightweight, carrying handle, water-repellent Compatible with: racing bike Capacity: 0.8-1.3L Material: pouch bag (100% nylon); black saddle bag (100% polyester Sport/activity: cycling 【ABSOLUTELY WATERPROOF】: Thanks to the nylon and the waterproof inner lining with press-glue technology, the dry bag keeps the contents dry. Notes: Do not use it in heavy rain. 【INNOVATIVE DESIGN】: You can freely adjust the size of the bicycle bag depending on the contents of the carrying bag. Capacity of the bag without handbag: 0.8 L, with the handbag the capacity can be expanded to max. 1.3 L. Plenty of space for the most important things in everyday life: repair tools, mobile phone, mini pump. 【RELIABLE SAFETY】: The bicycle seat bag can hang a taillight on the rear, so safety at night can be effectively ensured. Notes: The offer does not include a taillight. 【DIMENSIONS】: Saddle bag: 18 x 9 x 9 cm Inner pocket: 33 x 6 x 35 cm WEIGHT: 195 g. CAPACITY: 0.8~1.3 L. The interior of the bag is equipped with multi-layer mesh dividers to prevent items from wandering around.