그릇이나 머그 바닥 안쪽 가운데가 살짝 볼록하게 올라와 있는 이유는 무엇인가요?
새 식기를 살펴보다 평평해야 할 바닥 중심이 살짝 솟아 있는 것을 보고 제작 결함인지 궁금해질 수 있습니다. 도자기를 굽는 과정에서 생기는 정상적인 형태인지 확인하려는 질문입니다.
가마 안에서 높은 온도로 구워지는 과정에서 도자기가 수축하며 바닥 가운데가 자연스럽게 솟아오르는 현상입니다.




hmmm has confirmed 28 마루히로 Cups & Mugs products.
hmmm has confirmed 28 마루히로 Cups & Mugs products.
Counted based on official store product information collected up to October 16, 2026. Products link to the official store.
and 16 more
새 식기를 살펴보다 평평해야 할 바닥 중심이 살짝 솟아 있는 것을 보고 제작 결함인지 궁금해질 수 있습니다. 도자기를 굽는 과정에서 생기는 정상적인 형태인지 확인하려는 질문입니다.




This is a soba cup crafted with iron-rich glaze and paint using the copperplate transfer technique. The opening widens from the base to the top, and it has a matte texture with a subtle sheen. As it is both microwave- and dishwasher-safe, it can be used comfortably as an everyday cup for serving tea or beverages.
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It focuses on practical usability that is easy to care for while placing it on the table every day.
Microwave and dishwasher safe
Both microwave and dishwasher safe, making it convenient to warm beverages or wash.
Half-matte texture
Finished with a half-matte glaze, it gives off a subtle sheen while maintaining a smooth grain.
Copperplate transfer technique
Clear lines and patterns are applied using iron-rich paint and the copperplate transfer technique.
This is a 170ml ceramic soba cup without a handle that widens toward the top. It features characters and symbols from Netflix's Squid Game and measures 8cm in diameter and 6.1cm in height. It can be heated directly in a microwave.
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We focused on how the unique elements of Squid Game were captured on everyday tableware.
Squid Game collaboration design
The Front Man and Young-hee characters from Netflix's Squid Game are engraved on Maruhiro Hasami's soba series.
170ml size soba cup
Measuring 8cm in diameter and 6.1cm in height, it holds a capacity of 170ml based on the manufacturer's label.
Microwave-safe ceramic
Made of ceramic material, it can be conveniently heated in a microwave.
Some people purchase it seeing its angular outer appearance like a block toy, and then worry that washing it might be difficult or that holding it in hand might be painful.
This is a 100g ceramic cup created by Maruhiro Hasami in collaboration with Netflix. With a handleless design that tapers toward the bottom and a 170ml capacity, it features stripes in five colors printed on the exterior. It is microwave-safe, making it convenient for simply heating and drinking beverages.
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It was chosen for its Netflix collaboration graphic and practical ceramic specifications suitable for everyday use.
Netflix collaboration graphic
The Netflix opening stream is captured in five colors and wrapped around the entire exterior of Maruhiro Hasami's BARBAR Soba series.
170ml size and weight
With a diameter of 8cm, a height of 6.1cm, and a weight of 100g, it fits lightly in one hand and has a capacity of 170ml.
Microwave-safe ceramic
Made of ceramic material, it can be heated in a microwave. It cannot be used with open flames, ovens, induction cooktops, or dishwashers, so care for it by hand washing.
This is a 170ml cup engraved with a skull mark and an English title on a white speckled surface that evokes a bone texture. With a structure that widens toward the top, multiple cups can be stacked for storage. It is used as a bowl for noodle dipping broth, desserts, or beverages, and also supports microwave cooking.
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It brings together unique collaboration graphics and wide versatility.
Netflix ONE PIECE Collaboration Design
Tableware created in collaboration between the BARBAR SOBA series and Netflix, featuring the opening title logo and a skull mark engraved on a surface designed to evoke a bone texture.
Versatile Soba Cup
It can be used variously as a dipping broth bowl for noodle dishes, a cup for tea or alcoholic beverages, a dessert cup, or a sauce bowl.
Microwave Cooking Supported
A compact 170ml piece of tableware that allows you to put food in and heat it directly in the microwave.
This is a 170ml soba teacup inspired by Saturn's moon Enceladus. The opening widens toward the top, and with an 8cm diameter and light weight, it is comfortable to hold in the hand. Since it can be used in both the microwave and dishwasher, it is easy to handle in daily life.
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Selected for its moon-inspired appearance, specifications comfortable in hand, and practical ease of use.
Design inspired by Saturn's moon
Taking Saturn's moon Enceladus as its motif, each cup features a distinct pattern.
Light weight and compact dimensions
With a diameter of 8cm, a height of 6.1cm, and a weight of 95–105g, it feels comfortable when held in the hand.
Microwave and dishwasher compatible
Both microwave and dishwasher safe, making it convenient when heating beverages or cleaning up.
Made of ceramic, this mug lets you directly pop cooled beverages into the microwave to heat them up. The narrow lower circumference makes it convenient to stack multiple cups on top of one another for storage. It is versatile for everyday use when you want a generous serving of tea or coffee.
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Why this mug was chosen for its convenient storage and everyday practicality.
Osamu Goods collaboration
This is a product created in collaboration between Hasami and Osamu Goods, which takes inspiration from the traditional English nursery rhyme Mother Goose.
Stackable storage style
Because the cups can be stacked upward, they take up less space inside your cupboard.
Microwave safe
Crafted from ceramic material, it can be put straight into the microwave to warm up drinks when they go cold.
This is the most generously sized mug in the Season 1 Block Mug series, holding approximately 280cc of beverage. Its bottom rim interlocks so you can stack it vertically, making it convenient to store. It is microwave and dishwasher safe, making it easy to use every day.
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Chosen for its generous capacity and easy-to-use storage method.
Largest capacity
As the most generous among the Hasami Season 1 Block Mugs, it holds approximately 280cc, up to 300ml based on the manufacturer's specification.
Stackable storage
It can be organized by stacking vertically with Block Mugs, reducing volume when stored.
Convenient daily care
Both microwave and dishwasher safe, making cleanup after drinking effortless.
This is a ceramic mug and saucer set. The bottom of the saucer fits into the mug's diameter, allowing them to be stacked vertically for storage. It is used for drinking beverages and can be used in both the microwave and dishwasher.
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Chosen because it is good for stacking in cupboards and convenient to handle in daily life.
Stackable storage design
It can be stacked on top of the block mug big size, and the saucer also fits the diameter of the mug so they can be stacked neatly for storage.
Handle with bevel and curved surface
The lower part of the handle is beveled, and the inner surface is rounded.
Microwave and dishwasher safe
Made of ceramic material, it can be used in both the microwave and dishwasher.
When using two mugs of different sizes together, one wonders if they can be stacked vertically for storage. This is to check in case they do not stack because their heights are different.
This is a soup bowl with a handle that measures 12cm in diameter and 6cm in height, holding a 400ml capacity. It can be stacked top-to-bottom with the Bowl Mini product for organized storage, and is microwave and dishwasher safe.
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We considered that it is convenient to stack neatly in a cupboard for storage and easy for daily maintenance.
Stack and store with Bowl Mini
It can be stacked top-to-bottom with the Bowl Mini product of the same line, taking up less storage space.
Microwave and dishwasher compatible
It can be put directly into the microwave to heat or washed in the dishwasher, making it convenient for everyday use.
400ml size with a handle
Measuring 12cm in diameter and 6cm in height, it holds 400ml, and the handle on the side makes it easy to lift.