Glow in the dark vinyl is good for all embroidery projects. It can be machine washed on gentle but will need to be hung to dry. This vinyl does great with a satin stitch and dense fills, as long as a thick stabilizer is used. Glow in the dark vinyl is activated by light. Leave it in the sun for several hours and it will glow for several hours. The longer it charges, the longer it will glow. It can also be activated by the UV lights (sold separately) which are great fun for kids to “draw” on the vinyl. Sheets measure 8x12 inches. Rolls measure 10x48 or 12x53 inches.