Turn just about any lubricant bottle into a lube injector This set comes with two differently sized adaptors for small and large bottles of lubricant. Attach the nozzle for the ability to pump lubricant directly from the bottle into your orifice. The no-backflow design ensures a hygienic experience and easy clean-up. This lubrication accessory is great for travel or everyday use at home The sanitary storage cap keeps hygiene a priority even when not in use. Measurements: Nozzle is 3.75 inches in length, .5 inches at widest diameter. Caps are .75 and .95 inches in diameter. Includes 2.75 and 3.95 inch tubes. Material: ABS plastic Color: Black Note: Includes small and large adapters, lube injector nozzle, and storage cap