Check the listing for details. Yoobouking Adventure 35L Hiking Backpack Lightweight. Color: Teal/Grey, Condition: Pre-owned, Made in China. Listed at 39.99 USD. The Yoobouking Adventure 35L Hiking Backpack is a lightweight and durable backpack designed for hiking adventures. Made of nylon material, this unisex backpack has a capacity of 35 litres, providing ample storage space for your gear. With a stylish teal and grey color scheme, this backpack is perfect for outdoor enthusiasts looking for a reliable and comfortable option for their hiking trips. Its lightweight design ensures ease of carrying, making it an ideal companion for any outdoor excursion.