Like everything we’ve come to love about United By Blue, this Back Packs is meant to last & withstand being dragged across the playground while water resistant from the elements & reflective for safe evening travel. Lots of space is available for all the necessities which make these make great travel packs for youngsters & adults, too! Did you know that for every United By Blue product purchased, this rad company removes one pound of trash from oceans & waterways? This & so many more reasons are why we have continuous love for this brand.