AMMO by MIG Accessories - Tapes for Modelling
Item: Flexible Masking Tape (3mm x 33m)

From the Manufacturer:

Flexible high-quality masking tape for precision work, making it ideal for airbrushing and designed with a firm sealing edge. This flexibility allows you to apply curves and rounded shapes, obtaining a uniform result when painting free of unrealistic sharp angles or defects. This also allows the tape to adapt and conform to complex surfaces. This tape features a residue free adhesive, ideal for scale models and fine or delicate finishes. The strength of this tape allows it to be used as a guide to engrave or scribe details in plastic. This tape can be easily be cut to shape with scissors or hobby knife.