Self-lubricating. Just add a little water or saliva and it's ready to use! Sides and texture in the tube for optimal sensations. Includes a 1-speed bullet for powerful vibrations during play. Made from ultra soft X5 Plus Superior TPE, free from phthalates, paraffin, or latex. Makes the experience feel better than real, with an open end for easy cleaning. Length: 17.8 cm / Inserted length: 16.5 cm / Width: 7.6 cm. Battery type: AAA. Number of batteries: 1.