Kata KT PL-S-261 Pro-Light Source-261 Backpack Elements Cover: The provided elements cover will protect your valuable equipment during extreme weather conditions. Simply install over the bag on the black side for rain protection, the silver side for heat deflection, or use as a dust cover On Board: This bag complies with most airline regulations for carry-on luggage. Due to ever changing carry-on requirements please check with your airline carrier prior to departure Laptop Compartment: This bag features a padded laptop compartment which will allow you to always have your computer at hand and easily accessible. Please check the Kata bag Chooser for compatible laptop models Tripod Holder: The Kata tripod holder allows you never to leave your important tripod behind. Simply attach to the designated clips on the bag and put two legs of the tripod in the sling to comfortably carry your tripod along with you wherever your shot may be Camera Strap: This feature allows you when carrying a Kata backpack to take the weight of your camera off your neck by attaching your camera to the straps of the backpack. Your torso carries the weight of the camera instead of your neck making for a much more comfortable shooting experience