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Safe material: German BASF PPSU material, safe and odorless, BPA-free, natural and pure, lightweight and durable.
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Anti-colic: Anti-colic valve design to balance the negative pressure inside the bottle, allowing the baby to suck smoothly and avoid colic.
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Leak-proof: V-shaped bite water outlet design with meticulous sealing process, built-in gravity ball, no water leakage even when inverted, can drink water easily at any angle.
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