permanent markers cannot be erased easily

You can easily make your own extra paper inserts for c profiles

and arrows are particularly good as magnets for LEAN boards

Dimensions: 106

Magnetark A3, Hvidt (kraftig 1,5 mm.) BF Tier1 permanent markers cannot be erasedA3 white magnetic sheet, thick version. NOTE! This model is the thick magnetic foil version of 1. 5 mm. This means that you get a slightly less flexible magnetic sheet than with the 1 mm., but it is, on the other hand, quite a bit more magnetic per cm2. The magnetic sheets are sold individually and can be cut to the exact size and shape you need using scissors or a utility knife. Size : 30 cm. x 42 cm. (A3) Thickness: 1. 5 mm. Strength: approx. 160