Selling because they've been outgrown. There are no stains on the knees or seat, and the condition is not bad, so I think they can still be worn. Size: 90 size, providing a perfect fit for growing children. Material: A blend of 98% polyester and 2% polyurethane, soft and stretchy for a comfortable feel. Design: The waist is elastic, making it easy to put on and take off. There are pockets in the front and back, making it practical. - Size: 90 - Material: 98% polyester, 2% polyurethane - Color: Black - Design: Elastic waist, with pockets Thank you for looking.