Benefits of use: This vest may can help reducing your midsection circumference with compression of fat cells and by increasing sweat production. May can help Corrects posture by straightening core muscles in your back as well as posture. May can help Smooths out midsection, may can help you lose water weight eliminating bloating and may can help reduce belly size great for working out or daily wear. May also help improving your physique. Material is neoprene wash by hand.