It fits the majority of all lightweight backpacks. If it is too long, it can easily be cut down and adapted.
At Gramjakt they had the goal of developing their own type of Nylofume bag but that this would be made in Sweden and that would be good for the environment, ie not made of polyamides as Nylofume bags are.
Circular diameter: 318mm
Length of the bag: 840 mm
Made in Sweden.