Battle the April showers with one of these Seal Line Computer Sleeves ($50-$60). Made of PVC-free 210D PU-coated polyester with sewn and taped construction, the splash-proof sleeves will keep your new MacBook dry even on wettest of days. Throw it into your bag, a Seal Line Urban Shoulder Bag ($170), or use the handle and shoulder strap attachment and carry it by itself. Available in three sizes to fit laptops from 13-inches to 17-inches.