There are two chambers in this container; one side tighter than the other. Our laboratory had tested the best position of the nubs inside the chambers, which will result the maximum pleasure for users. The name NUE comes from a French language, meaning "Heaven". The product name and the design were created to give a cleaner image to others. We believe that this product is the revolutionary sense of style. PRODUCT DIMENSION Height 6 inch x length 2.5 inch x width 2.5 inch Please remove plastic cover package from the item and insert it into your desire hole. The one's sizes are differed per individual. Please do not attempt forceful insertion. It may cause severe injury. This is disposable product. Once this is used, please dispose it with regular trash. Please do not use it more than once. Please be aware that if product is not kept in a room temperature, the lotion inside the product will dry out. Please check both chamber if the lotion is still available or not. Ingredients of Cellosize: 1. Water (H2O) 2. PEG (Polyethylene glycol) 3. HEC (Hydroxy Ethyl Cellulose)