Small:
Recycled heavyweight nylon with recycled ripstop nylon lining
Measures 5.5" H × 10.2" W × 3.3" D
Interior zip pocket
Adjustable 37" logo strap
Machine washable
 
Medium:
Measures 8" × 13 ¾" × 4" 
37 ½" adjustable logo strap
 
Large (can fit a laptop):
37 ½" adjustable logo strap
Measures 10.5" × 19.5" × 5.25"
 
Recycled heavyweight nylon with recycled ripstop nylon lining
Interior zip pocket
Machine washable