Material: 35L:Nylon (more comfortable), 18L:Nylon, 20L:Polyester;
Folding: 35L:YES, 18L:YES, 20L:NO;
Chest buckle: 35L:YES, 18L:NO, 20L:NO;
Reflective strip design: 35L:YES, 18L:NO, 20L:NO;
Size: 35L:19.69 x 8.27 x 5.91inch, 18L:14.6 x 8.7 x 4.7inch, 20L:16.3 x 11.2 x 4.13inch;
Shoulder strap: 35L:Grid breathable comfort design, 18L:Grid breathable comfort design, 20L:Polyester shoulder strap;
Price: 35L:15.39, 18L:12.59, 20L:21.75;

Specification:
Model: XD-DY5;
Material: Nylon;
Capacity: 35L;
Expand size: 50 x 21 x 15cm / 19.69 x 8.27 x 5.91inch;
Folding size: 20 x 21cm / 7.87 x 8.27inch;
Closure type: Zipper;
Color: Black, navy;
Can bring the plane: Yes;
Reflective strip: Yes;
Waterproof: Yes;
Occasion: Camping, Hiking, Travel, Cycling etc;
Weight: 350g;

Features:
100% nylon fabric, lightweight and comfortable.
35L large capacity.
Foldable storage.
Safety reflective strips.
Honeycomb breathable strap.
Adjustable chest buckle.
Nylon fabric double zip.
Can take the plane.
Waterproof and scratch resistant.

Package Included:
1 x 35L backpack
Product Attributes:

• Weight (lbs.): 0.77 lb