The Bauer S21 Core Wheel bag is made of Heavy duty 600D Poly construction. 

This bag has does not have internal pockets but has plenty of space and ventilation.

Features:

Materials - Heavy duty 600D Poly construction

Compartments - Large main compartment with straight zipper

Handles - Reinforced HD webbing; Wheeled version includes reinforced base with extension pull handle

Dimensions - YTH: 25" x 13" x 16"