Description‎:‎ This 20 ‎- 35L bicycle backpack is specially designed for bicycle lovers and walkers‎.‎ With the ergonomic design‎,‎ this backpack gives you more comfortable feeling‎.‎ Made of high‎-quality and safe material‎,‎ it is durable for long‎-time use‎.‎ It will surely contribute to your fantastic outdoor experience‎.‎Features‎:‎ ‎- Special hole design for water bag‎- Reflective strips for safe riding at night‎- Mesh cover design for holding your helmet‎- Whistle at the chest strap for emergency situations‎- Adjustable shoulder strap‎,‎ chest strap and waist strap to fit your need‎- Mesh and poriferous EVA design on the back for maximum breathability and comfort‎- Suitable for outdoor activities like cycling‎,‎ camping and traveling‎,‎ etc‎.‎Parameter‎:‎ ‎- Material‎:‎ durable and water resistant nylon‎- Capacity‎:‎ 20 ‎- 35L‎- Bag size‎:‎ 46 x 26 x 23cm / 18.11 x 10.24 x 9.06 inches‎- Straps length‎:‎ 45 ‎- 80cm / 17.72 ‎- 31.5 inches‎- The maximum load‎:‎ 30kg 0.505 Package weight‎:‎ 0.563 kg Product Size‎(‎L x W x H‎)‎‎:‎ 26.00 x 46.00 x 23.00 cm / 10.24 x 18.11 x 9.06 inches Package Size‎(‎L x W x H‎)‎‎:‎ 48.00 x 27.00 x 3.00 cm / 18.9 x 10.63 x 1.18 inches Package Contents‎:‎ 1 x Bag