Pack of 3 refills blue erasable ballpoint pen Oops Pop Carioca Pack of 3 refills for Carioca's Oops erasable ballpoint pen. Oops is an erasable ballpoint pen with thermo-sensitive ink. Erasable ink ballpoint pen. Smooth and fluid writing. Erases perfectly on paper. Erasable pens are not recommended for use in legal documents. The refill is compatible with most models of other brands and manufacturers. Also recommended for sewing and needlework. 0.7 mm average stroke width. Blue ink. Brand: Carioca