This set includes a long undergarment, a short undergarment, and mittens, for a total of 3 items. The short undergarment has a small stain. Please check the stain in the 5th photo. The inner strings are originally yellow, so it is not a stain. Antibacterial and antiviral processed car-patterned combination undergarment, safe for babies, size 50-60cm. - Brand: Mikihouse - Size: 50-60cm - Design: Car pattern - Material: Antibacterial and antiviral processing (PUREVEIL) Thank you for looking.