【Breastpump Collection Bottle 】：Storage Bottle 6.oz 180ml with clear mark, Compatible with Spectra S2 Spectra S1 Spectra 9 Plus wide-mouth flanges and the bottle holder on the pump for pumping convenience. 【Wide-neck ,Wide Compatibility】:Wide-neck collection bottles for Spectra S2,Spectra S1,Spectra 9 Plus, Spectra Synergy Gold, Motif Luna breast pumps. 【Anti-Leak and Easy to Storage】：The screw-on lid and sealing disc are specially designed to prevent the bottle from leaking. Finishing breast puming , easily used for freezing, travel, flights and camping - Clearly marked measurement for breast milk storage and feeding. 【Safe Food-grade Material】：The collector bottles are made of high-quality food-grade silicone and pp material, BPA free, promoting a safe, non-toxic feeding experience. 【Easy to Clean】：Storage bottle can easily be cleaned and reassembled as often as needed, can be sanitized with water steam, boiling water, and microwavable bags. 0