Durable Kids Glass by ADERIA

Thoughtfully Made in Japan・Safe for Kids・Playful Design

Created with Insight from a Childcare Professional

Many parents avoid giving glass tableware to young children simply because "glass breaks." But learning to handle things with care is an important part of early development. This glass was designed from the perspective of a childcare worker who is also a certified food education instructor. The result is a kids' cup that helps little ones experience real, natural materials while still being safe and easy to use.

Crafted by a 200-Year-Old Glassmaker

Each cup is made by Ishizuka Glass Co., Ltd., a historic Japanese glass manufacturer with over two centuries of expertise. Their long-standing craftsmanship ensures exceptional clarity, quality, and reliability in every piece.

Sized Just Right for Little Hands

A gentle "waist" in the center makes the cup easy for small hands to grip securely. When filled to about 80%, it holds approximately 150ml-the perfect portion for young children learning to drink independently.

Durable Enough for Everyday Family Life

Made from reinforced (tempered) glass, this cup is significantly more resistant to chipping and cracking than standard glassware - giving parents extra peace of mind without sacrificing beauty or quality.

A Playful Collaboration with tupera tupera

This special edition features artwork from the beloved picture book "Polar Bear's Underwear" by tupera tupera. Kids will love watching the characters' underwear change color depending on the drink inside - just like in the story! It turns every sip into a small moment of joy and imagination. Let your child enjoy the beauty of real materials, delightful design, and Japanese craftmanship - all in one durable little cup.

Material: Tempered glass
Size 2.52 in (Max Diameter) × 3.66 in (Mouth Diameter) x 3.66 in (Height)
Capacity: 6.26 fl oz

Care: Dishwasher Safe

Please avoid: Microwave ovens. (This product is not heat-resistant.) Do not pour boiling water into the cup. Although tempered glass is durable, it is not unbreakable. Scratches may weaken the glass, so please check regularly for cracks or chips.

Product of Japan

つよいこグラス × tupera tupera

子どもだからといって、割れにくいプラスチックの食器ばかりを選ぶのではく、安心して本物に触れる機会を得て欲しいという、食育指導士でもある保育士さんの視点から生まれた「つよいこグラス」。くびれがあるので、子どもの手でしっかりと持ちやすく、大きさもちょうど良し。8分目まで注ぐと150mlまで注げます。強化加工が施されていて、通常のグラスより口部の割れ・欠けに強いので、親も安心。

さらにこのグラスは人気絵本『しろくまのパンツ』とコラボレーションで、なんと飲み物によってパンツの色が変わるんです！本を知っているお子さんならもちろん、本を知らなくてもこの仕掛けは面白いですし、コップがきっかけで絵本に興味が広がることもあるかもしれませんね！

素材：強化ガラス
サイズ：最大径6.4cm×口径6.4cm×高さ9.3cm
容量：185ml

取り扱いについて：食器洗い機使用可。電子レンジ・オーブン使用不可。

ご注意：本品は強化ガラス製であり、耐熱ガラス製ではありませんので、熱湯を入れたり電子レンジ等で使用したりしないでください。また、傷がつくと破損しやすくなるため、ご使用前にヒビやカケがないかご確認ください。