The Heat Transfer Vinyl Colour Packs include 4 sheets of Siser Glitter Heat Transfer Vinyl. This vinyl comes backed with a heat activated adhesive and a clear protective liner which acts like a transfer sheet. The other side (which will be the exposed side upon application has a clear carrier sheet that provides a way to keep everything intact until application. All cuts will need to be mirrored (flipped) as you are cutting it from the reverse side. The Peacock Pack Includes 23cm x 30cm Sheets (1 ea.) of Glitter HTV: Neon Pink, Cherry, Lavender, and Confetti. Adheres to: Cotton, Uncoated Polyester, Cotton/Poly Blends Glitter Application: Preheat fabric 3 Seconds and Use Firm Pressure, 320°F for 10-15 Seconds HOT Peel Care Instructions: Wash inside out and hang dry.