my new one bag, 20L for travels up to 2 weeks. two bottle holders with extra support, can pack 1.5L x2. plus isothermal bottom section for food. Decathlon. : r/onebag
QUECHUA ADULT NH100 20L Country Walking Backpack (Khaki/Black/Dark Purple/Beige/Dark blue) | Shopee Malaysia
Coupon ⌛ Quechua NH550, Hiking 30 L 🎒 Backpack Hiking Clothing 😀 | Cheap Hike & Camp Store