Create the effect of dimension and depth on your fabric craft projects with these holographic heat transfer vinyl sheets from Siser. You can use them to embellish your t-shirts, totes and more. Details: Rainbow 11.8" x 36" (29.97cm x 91.44cm) 110 microns8 rolls Gloss finish Pressure-sensitive backing Iron-on Laser-friendly Not recommended for layering Polyester composition CPSIA certified Applies to 100% cotton, poly/cotton blends, 100% polyester and leather Usage and care: For use with 45 degree or 60 degree blades (sold separately) For use with Siser Weeder, Multipurpose Paper, Kraft Paper or Heat Transfer Cover Sheet (sold separately) Wait 24 hours before 1st wash Machine wash warm or cold / mild detergent Dry on normal dryer setting Do not dry clean