This Straw Cup Weight Refill suitable for Mother-K PPSU Straw Cup (369 series).
Easy for your little ones to drink in any positions.
The straw is made from soft and light silicone material.
The sprout has 2-way air valves to prevent colic and back flow prevention.
It is also easy to dissemble and cleaning.
This straw weight refill comes with a brush for cleaning the straw.
Packaging Size and weight: 12X23.4cm, 50g
Made in Korea