These First Creations Easi-Grip Triangular Markers are designed to be easy and safe for early learners to use. They have a triangular, easy to grasp barrel, contain washable ink and are non-toxic for your safety. You can use them on most paper types to draw, colour and blend. They contain washable, water based ink. These markers have triangular barrels which make them easy for little hands to grip and draw with. They also have ventilated caps for added safety. There are 24 markers included in the pack. The set comes in a handy carry case so you can easily take them on the go. It's suitable for those aged 3 and over.