This 70g crystal simulation cream glue is perfect for DIY phone case and jewelry accessories. It is a water-based glue that dries slowly, normally about a day, and can be used to attach various materials. Please note that the color of the cream glue may be slightly darker after drying. It is recommended to store the opened cream glue tightly and use it up within a week. The shelf life of the bagged cream glue is about six months. Store it in a cool and dark place. Please use it as soon as possible after purchase.