To wear this sweater, simply slip it on over your head through the O - Neck collar. It's suitable for casual outings or semi - formal events. When it comes to washing, it's best to use a gentle cycle in cold water to keep the rhinestones and the fabric in good condition. Avoid using harsh detergents as they might damage the sweater. Don't wring it out forcefully after washing; instead, gently press out the excess water. Hang it to dry in a well - ventilated area, away from direct sunlight to prevent color fading. Before buying, make sure to check the size chart carefully as different suppliers and brands may have variations in sizing. This way, you'll get a perfect fit.