DanzNMotion Big Girls Cross Strap Back Design Cotton Blend DanzNMotion Cross Strap Back Design Leotard. Made of a Cotton Blend. Shelf bra, front lined. Great for ballet, jazz or tap dancing. Choose from Child Sizes: 4-6, 6x-7, 8-10 and 12-14. Also available in Adult Sizes. Choose from Child Sizes: 4-6, 6x-7, 8-10 and 12-14. Also available in Adult Sizes.