A pacifier 10 includes a hollow nipple portion 20, and a base portion 30 for holding the nipple portion, An opening 35 is formed in the base portion on the side opposite to the nipple portion holding side. The opening is formed at a position facing the hollow interior of the nipple portion and communicates with the hollow interior. The interior of the nipple portion can be easily cleaned by utilizing the opening.一種奶嘴，具有中空狀之乳頭部、及固持乳頭部之基部。於與基部之固持乳頭部側相反之側上形成有開口，該開口形成在乳頭部之中空內部對面之位置且連通該中空內部。藉利用該開口，可以輕易地洗淨乳頭部之內部。
