MOUNTAINTOP 40 Liter Water-Resistant Hiking Daypack-5832II -4 COMPRESSION STRAPS- For tying up your pack or hanging sleeping bag, mat, hammock, and other gears. -HYDRATION SYSTEM COMPATIBLE- Hydration access on a side of the pack with water bladder sleeve in the main compartment. -FRONT LOOP- Soft latching loop for your jacket or some lightweight items. -ACCESSORIES- SBS zippers and YKK buckles. -WARRANTY- Includes 90 days limited manufacturers warranty