Feel-good modeling clay. The SES modeling clay is available in four cheerful colors. It’s a feel-good clay that is completely vegan, gluten-free, and super washable. It is vibrant and soft. Thanks to the resealable packaging, your clay will stay fresh for longer. Finished playing? Scan the QR code on the packaging to find out what you can do with it. The "Feel good Nature" modeling clay comes in natural colors: green, light blue, orange, and brown.