LEGO Medium Lavender Tile 2 x 2 Round with Stud (18674)

LEGO Medium Lavender Tile 2 x 2 Round with Stud has been used in at least 3 LEGO sets over the past 6 years, since it was first used in 2018. You can also find this part in at least 45 other colors. It has a design ID of 18674 which can usually be found molded into the bottom of the part.