This silicone straw replacement is suitable for all Mother-K PPSU straw bottles.
- Air valve system to prevent back flow. (+) shape of air valve stops liquid back flow.
- It is made from premium soft silicone of LSR (Liquid Silicone Rubber).
- BPA FREE
- It can be used in 2 ways. Spout and straw together to use as a straw cup or spout itself as a spout cup.
Material: Silicone
Made in Korea