Design your own Timbuk2 custom backpacks, messenger bags, totes, duffles, shoulder bags – Choose your style, size, fabric, colors, features & more! One of a. Personalized Backpacks | JanSport. Your backpack should reflect who you are! Now it can with JanSport’s new personalized backpack shop! Choose from pins and patches. MAKE IT YOUR OWN. OMG! I went to buy buy baby the other day and I hated all of them….