These Fabric Markers allow you to add a long lasting, personalised touch to cotton and cotton blend fabrics. They are permanent, non-washable ink and come in a range of brilliant colours. Easy-to-use, just the right amount for the classroom. Effortlessly apply on fabrics and allow 5 hours of drying time before washing as label indicates. Markers measure 137mm long x 10mm in diameter and nib is 3mm in diameter. Markers contain 3g of ink. 2 each of colours: black, blue, brown, grey, green, magenta, orange, red, spruce, turquoise, violet and yellow. Adult supervision is recommended since markers are permanent.