Foam strips from FollyFoam are 7 mm (0.28in) thick and 95 cm (37.4in) long.
You can choose for a package of foam strips 1 cm (0.39in), 2 cm (0.79in), 3 cm (1.18in) 0r 5 cm (1,97in) wide.
The 1cm bundle of strips are attached to each other at the end. Ideal for creating your wig!