Blush Accessories Maternity and Nursing T-Shirt Extender Perfect accessory for your regular, maternity and nursing wardrobe. Made of polyester/rayon/spandex. Made in the USA. Layer without the extra bulk. Keep covered when nursing. S/M (size 0-6, waist 23"-26", hips 34"-37"), M/L (size 6-14, waist 27"-31", hips 38"-42"), L/XL (size 14-22, waist 33"-40", hips 43"-50") Won't shrink. Wear the same size undershirt throughout pregnancy.