IKEA 4-Piece Plate and Bowl Set, 10866 and 18431, Pastel Green

IKEA 4-Piece Plate and Bowl Set in a pastel green/seafoam kind of color. I do not know the IKEA name for this series of plates and bowls (or if they're even from the same one), but the numbers on the bottom are 10866 and 18431. The plates are a sold pastel green/seafoam color, while the bowls are white on the inside with a black rim. The plates measure approx. 10in wide in diameter while the bowls are approx. 4.25in wide in diameter across the top and approx. 2.5in tall measured on the outside. The plates and bowls are in excellent condition. No chips and cracks with a beautiful sheen and only a few fine scratches from gentle use. I do not know the exact material, but my guess would be ceramic or a kind of stoneware. Plates are made in Thailand and dishwasher safe. I do not know about the bowls.