3-3/4 inch Sq. stamp pads are filled with super washable ink. Perfect for kids' stamping and art projects and great for small group or individual use. Contains super-washable, non-toxic ink. *ENCOURAGES SKILL DEVELOPMENT: Stamping sets help kids develop multiple skills such as creative expression, basic storytelling, and fine-motor skills *STAMPING STICKS AND STAMPERS: Pads are a perfect fit for Colorations® Easy-Grip Stampers and Stamping Sticks *SAFE: All Colorations® products are non toxic and safe for children *KEEPS KIDS ENTERTAINED: Stamp pad set is a high-quality art supply that helps kids and adults explore their creativity *Included: You get 3, 3.5 in square stamp pads