This sleeping ear plug is made of silicon with a small plastic box outside enabling to carry it with you everywhere,which bring you a lull in a decibels world around you.Blocking o muffling the annoying sounds such as snoring,loud music,the sounds of construction and other loud noises,allowing to sleep,study or meditate in a pleasant silence.It is reusable and washable and allows you to save money and to delete earplugs from your list of expenses.The special stiffeners help to keep it in shape during the whole lifetime.Perfectly fit in the ears due to the perfect shape.It's flexibility allow to deeply penetrate into the ear canal making the world around really quiet.It can be regarded as a perfect gift for friends and family.Welcome to inquiry.