<https://brothermobilesolutions.com/products/media/tapes/hse221/>
<http://schema.org/description>
"8.8mm (0.34in) black on white heat shrink tube. For use with P-touch PT-E300, PT-E300M, PT-E500, PT-E550W, PT-E800W, PT-P900C, PT-P900WC, PT-P950NW Label Printers."
<https://brothermobilesolutions.com/products/media/tapes/hse221/>