It's Friday again, how time flies! My friends, how are you? when covid-19,pls keep safe first! Ok, come back to our blog. This time I 'd like to introduce a Sports Internal Frame Hiking Bag that sells well on Amazon. nternal-frame backpack with 65 L capacity (60 L + 5 L extension collar); made of durable polyester; ideal for hiking and camping Extensive storage pockets and compartments; large High...