Hidden Glow - Fluorescent Green Tailor's Chalks Crayons - 48PK

Box Of 48 Green Hidden Glow Tailors Chalks / Tailors Crayons.

Hidden Glow Tailors Crayons contain a special fluorescent compound that will remain in the fabric after visible mark disappears. The fluorescent marking wil show up under ultra violet light ("black light") even though the naked eye cannot observe any marks. Ideal for use on lightweight fabrics that would otherwise reveal marking by standard tailors crayon.

Packed 48 pcs. per box. Each square measures 45mm X 38mm X 5mm (1-3/4" X 1-1/2" X 3/16").