This large, black stamp pad contains washable, non-toxic ink. Washable stamp pads offer a variety of creative possibilities with easy clean-up! With a 5.75" diameter, children can easily place their hands on this circular stamp pad. The ink is safe for hand and finger stamping and washes off skin and most clothing with warm, soapy water. The quick drying, fade-resistant ink is also acid-free for archival quality. The black ink in this stamp pad presents crisp, vivid images when stamped. Stamping is a fun way to develop fine motor skills and foster creative expression. For ages 3+. Size of ink pad: 5.75" dia. Size of entire stamp pad (with plastic casing): 6" dia.