Product Description Made of high quality food grade polypropylene with a draining sponge inside material: plastic 【KEEP DRY】: Made of food grade polypropylene with a draining sponge inside preventing soap from getting soft and sticky. The soap box will be kept clean and the surface tidy. 【STAY ORGANIZED】: Designed with a locking latch and ridges on the bottom to let you lock the soap in the box without moving around, a perfect soap box for travel and hikes. 【LARGE CAPACITY】: small size with large capacity. It is compact and light, and does not take up too much space. It is suitable for any room in the house and fits easily in the backpack and suitcase. 【4-PACK FOR DIFFERENT USES】: You can use them to separate adult soap from baby soap, or to store different kinds of soap, or use them in different rooms.