Welcome to Mayumi

You can drink deliciously even in summer and long outings ♪
Keep it delicious with stainless steel bottles!
It can be attached to all three of the “Ritchell Tri Series” (spout, straw, and cup).
● Due to the vacuum insulation structure, drinks are not affected by outside air.
● As you can keep the right temperature without getting slimy, it's also convenient for hot days and long trips.
● Easy to clean and hygienic! Designed to be easy to clean.
● A soft straw with an elliptical shape that fits a small mouth.
● It is hard to leak and is safe for going out.


★ ☆ ★ Easy to step up with your drinking mouth! ★ ☆ ★
(1) Spout (from around 5 months)
A soft mouth that allows the nipple to graduate smoothly. Clean design makes it difficult for drinks to flow backwards.
(2) Straw (from around 7 months)
Soft straw that is easy to hold with an elliptical shape. Hard to leak.
(3) Cup (from about 8 months)
The drinks are designed to come out little by little, so you can drink well without unavoidable.