Kerapoxy Easy Design epoxy grout 103 Moon White, off-white, from Mapei.

Features:

• Epoxy, acid-resistant, decorative two-component grout, with BioBlock technology.
• Easy to apply and clean.
• Suitable for joints in glass mosaics, ceramic tiles, and natural stone.
• Can be combined with MAPEGLITTER and Mapecolor Metallic.
• Can also be used as an adhesive.

...