Homdox 30L Multifunctional Outdoor Military Tactical Assault Pack Backpack Army Molle Waterproof Bug Out Bag Backpacks Rucksack for Hiking Camping Trekking Hunting Made of high quality nylon oxford cloth with water-repellant coating, durable and waterproof Padded breathable mesh shoulder strap and back panel provide with cushioning comfort and promote air circulation along your back and shoulders Shoulder strap system has adjustable sternum slider and hard plastic D-rings for attachments; Side load compression straps can keep loading tightly or expand extra storage space 2 zippered main compartments and 2 zippered pockets; MOLLE expansion system allows for attachment of external gear, such as water bottle, accessory kits and so on Dimension: 10.9 x 9.8 x 17.6 inch (L x W x H); Volume Capacity: 30L; Not big but sufficient enough tactical hiking bag