Pointss Girls&rsquo; Dots Swimsuit One Piece Black Bikini Suit Bowknot Summer Swimwear LAISHOP-Pointss is the ONLY OFFICIAL selling store of the swimsuit and we cannot guarantee the quality from other shops, and the delivery date showed is just the Amazon setting and our LAISHOP delivery time is about 10 days The Medium is available for the kids whose height are 45~49 inches, 5~7 years old. The Large is available for the kids whose height are 49~53 inches, 7~9 years old. The X-Large is available for the kids whose height are 53~57 inches, 9~11 years old. The XX-Large is available for the kids whose height are 57~61 inches, 11~13 years old.