. Wow! These colors of clay are very brightly colored! Three neon colors and a glow-in-the-dark clay for endless fun!All SES Creative clay is safe to use. It is gluten-free and extremely salty, so children won't eat it. The clay is bright, very soft, and can be reused over and over again because of the resealable packaging. For hours of fun.Neon playdoughGlow in the dark playdoughBeautiful colorsSuper softDoes not dry out during playEasy to wash out of fabricsBeautiful, bright playdoughGluten-freeSafe to use, the playdough is extremely salty so children will not eat it