Polyester.
2.5mm wide.
We sell this tape by quarter metres, there are 4 of these in a metre:
If you would like 1/4 metre, pop 1 in the quantity box; If you would like 1/2 metre, pop 2 in the quantity box; If you would like 3/4 metre, pop 3 in the quantity box; If you would like a metre, pop 4 in the quantity box.