iDye Poly is virtually the only dye that will color polyester. In fact, it will color almost anything synthetic, including plastics and nylons,
Idye Poly Pink 14Gm Pk - MICA Store
Jacquard iDye Poly 14g - Turquoise #459 - Art and Frame of Sarasota
iDYE Poly for Synthetic Fabric (14 g/pack)
Jacquard Idye Poly Fabric Dye for Polyester, Plastics and Synthetic Materials
Dyeing fabric in a washing machine has never been easier. iDye comes in a 14-gram packet that dissolves in water which means there is no handling of messy dye powders. Just throw the dye packet in, add salt or vinegar and run through the wash cycle. It is the ultimate easy way to get gorgeous color! Each packet will dye two to three pounds of fabric. Available in a variety of vibrant colors and two formulas; one for 100% natural fabrics and the other for synthetics.
Jacquard iDye Fabric Dye 14 Grams-Chartreuse
Jacquard iDye Fabric Dye 14 Grams-Black
iDye Poly 14g - Turquoise
Jacquard iDye Fabric Dye 14 Grams-Olive
Jacquard iDye for Polyester/Nylon – Jerrys Artist Outlet
Jacquard Idye Poly All Colors
iDye Poly 14g - Red
Jacquard iDye Fabric Dye 14g-Violet, 1 count - City Market