Features: Baby Feeding Bottle Convert Straw Cup Lid: Our feeding bottle convert straw cup lid with square shape, can easily convert baby bottle into sippy straw cup, fit for Hegen series feeding bottles, convenient and flexible to use. Anti-Choking Design: The straw cup lid with v-shaped straw, anti-choking & anti-splashing design, equipped with a gravity balls on the straw, makes it easy to drink water whether baby sitting or lie down, allow your little baby free to drink. Selected Material: The straw cup convert lid use qualified food grade PP-plastic material, nontoxic, free of lead, strong sealing to prevent the liquid spill out Great Sealing Ring: The bottle convert straw cup lid featured with silicone-loop could ensure tightly seal, non-leak to storage milk, hot drink, water. Sliding design cup cover, smooth and watertight which is practical, convenient to carry out Applicable for: The bottle convert straw cup lid is suitable for Hegen square-caliber feeding bottles, a perfect baby bottle convert lid for outdoor or traveling, fit well for Hegen bottles. Specifications: Material: PP-Plastic Product Dimension: As-pictures shown Color Option: White/Pink/Green/Gray/Red/Blue Note: Please allow 1-2cm error due to manual measurement. please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1 x Feeding Bottle Convert Straw Cup Lid Baby Feeding Bottle Convert Straw Cup Lid: Our feeding bottle convert straw cup lid with square shape, can easily convert baby bottle into sippy straw cup, fit for Hegen series feeding bottles, convenient and flexible to use. Anti-Choking Design: The straw cup lid with v-shaped straw, anti-choking & anti-splashing design, equipped with a gravity balls on the straw, makes it easy to drink water whether baby sitting or lie down, allow your little baby free to drink. Selected Material: The straw cup convert lid use qualified food grade PP-plastic material, nontoxic, free of lead, strong sealing to prevent the liquid spill out Great Sealing Ring: The bottle convert straw cup lid featured with silicone-loop could ensure tightly seal, non-leak to storage milk, hot drink, water. Sliding design cup cover, smooth and watertight which is practical, convenient to carry out Applicable for: The bottle convert straw cup lid is suitable for Hegen square-caliber feeding bottles, a perfect baby bottle convert lid for outdoor or traveling, fit well for Hegen bottles.