Since this is a 35L carry on backpack, how you pack it really matters
Work 1 sc under this loop
Additional Features Coldcell Flex Insulation, Food safe, YETI Ice Sheet and YETI Food Storage compatible, MagSnap Closure, Daytrip Shoulder Strap compatible, External pockets Inside Dimensions 7.5" W x 5.2" D x 9.1" H Warranty Information 5 - YEAR LIMITED WARRANTY Dimensions 8.8(w) X 10.3(h) X 6.7(d)
There's also a USB charging port, so there's no need to stress over finding a seat next to an outlet or the fact that you forgot to charge your phone overnight, and headphone port
Expandable 40L50L Capacity Pack light for day trips at 40L, or expand to 50L for longer journeys
I dont know the exact magnet count, but I am pretty confident it is 6 or less