1. 82%Nylon and 18%Spandex bring you breathable and skin-friendly feel; 2. Hook and eye closure is convenient to put on and take off; 3. Separate and support the breasts while sleeping; 4. Stuffed with sponge for comfort and cushion; 5. Wear it overnight, the x-shaped sleep bra prevents fine lines and wrinkles on the cleavage, giving you beauty breasts the next morning.