This silicone straw refill is the straw replacement for Mother-K straw cups.
- 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) (please refer to image for washing instructions) and 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
Packaging Size & weight: 135x195mm, 60g
Made in Korea