From Spanx, the Scoop Neck Tank Bodysuit features:  Comfortable stretch knit fabrication is opaque enough to wear as your only layer  designed with super-soft, all-over smoothing fabrication Tummy-smoothing design keeps you tucked in & bulk-free  Snap gusset for ease when nature calls Lined gusset & thong back, no need for undies Polyester/elastane; gusset: cotton Machine wash cold with like colors/do not use fabric softener/only non-chlorine bleach when needed/tumble dry low/low iron if needed Imported.