SIS-ESUBLIMASK11165 is a Special Mask for a Special Heat Transfer Vinyl. You'll likely need the silicone solution for working with Siser EasySubli HTV.
ESMK EasySubli Mask Sheet
Digital Print Heat Trasnfer Vinyl
Siser EasySubli Mask Transfer Tape 11 x 16.5 - 25 Pack (for use with EasySubli HTV)
Siser EasySubli™ 11 x 16.5 Sheet Heat Transfer Vinyl 4u – HEAT TRANSFER VINYL 4U
11X16.5 Siser EasySubli Mask Sheets
11X16.5 Siser EasySubli Heat Transfer Vinyl Sheets
Siser EasySubli Mask Sheets
Siser EasySubli Mask: 11 x 16.5 Sheet
Siser Easycolor DTV Sheets & Mask
Resources, Download the Siser reference chart.
SISER EASYSUBLI MASK BY THE SHEET 11x16.5
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Siser Mask 11 x 16.5 Sheet for EasySubli