Neck size: 20mm, 30mm Douche bottle volume 50ml, 100ml, 150ml, 500ml Gel applicator & tube: 3g, 5g, 10g Materials: LDPE, PP,HDPE Key Features: Comfortable design with smooth applicator surface to avoid self-injury Compatible with gel and cream Non skin sensitization, non-toxic and non-irritating Vaginal applicator can be prefilled Comply with CP, EP, USP food & drug direct contact regulations