Our 3K and 4K carbon fiber trombone cases. Inside material/padding is the same in both cases.

The 3K case is black. Tenor weighs 7.4 lbs and the bass 8 lbs empty.
The 4K hard shell gig bag is blue. Tenor weighs 6 lbs and the bass 6.8 lbs empty.
The black bass travel case 11.2 lbs empty.

NEW Vegan leather tenor travel case weighs 10.5 lbs empty.
NEW Vegan leather bass travel case weighs 13 lbs empty.