KAJIdonya Stainless Steel Prep Bowl/Strainer - 9 / 13 cm

$28.00

KAJIdonya Prep Bowl series brings balance, clarity, and ease to kitchen routines.

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Designed for the quiet rhythm of everyday cooking, the KAJIdonya Prep Bowl & Strainer Set embodies the brand’s philosophy of simple forms and considered function.
Each piece is crafted in Tsubame-Sanjo, Japan’s renowned metalworking region, from durable 18-8 stainless steel - built to last, to be used daily, and to age beautifully.

The Prep Bowl features a smooth, seamless rim for effortless cleaning and a subtly curved form that rests naturally in one hand. Etched measuring lines and a gentle spout add intuitive precision for mixing, whisking, and pouring.

The matching Strainer, with its integrated footed base and sturdy 0.47 mm mesh, stacks neatly inside the bowl to create a compact, efficient prep system. It lifts ingredients above water or counter surfaces for hygienic draining - ideal for rinsing vegetables, soaking onions, or straining eggs for tamagoyaki.

Choose between two perfectly balanced sizes:


  • 9 cm : for smaller tasks such as sauces, dressings, or condiments

  • 13 cm:  for mixing, washing, or soaking larger ingredients

When nested together, the set stores with quiet precision - a testament to KAJIdonya’s thoughtful design and the craftsmanship of Tsubame-Sanjo.

Prep Bowl 9 (Small)

  • Size: W9.4 × D8.8 × H5.6 cm
  • Capacity: approx. 270 ml (with 200 ml scale)
  • Weight: approx. 110 g

Prep Bowl 13 (Large)

  • Size: W13.5 × D13 × H7.8 cm
  • Capacity: approx. 800 ml (with 450 ml scale)
  • Weight: approx. 220 g

Prep Strainer 9 (Small)

  • Size: W9.5 × D9.5 × H5.3 cm
  • Weight: approx. 42 g

Prep Bowl 13 (Large)

  • Size: W13.6 × D13.6 × H7.5 cm
  • Weight: approx. 77 g

Shared Features

  • Material: 18-8 stainless steel
  • Origin: Tsubame-Sanjo, Japan
  • Stackable design for compact storage
  • Spout for easy pouring
  • Hygienic seamless rim 

Dishwasher safe.

Rinse and dry thoroughly after each use.

Avoid harsh abrasives to preserve the smooth finish.

Stack neatly for storage when not in use.

KAJIdonya 家事問屋

“Ordinary, yet remarkably easy to use.” This is the spirit of KAJIdonya, a brand creating stainless steel kitchen and household tools in Tsubame-Sanjo - Japan’s renowned metalworking region.

Born from the voices of everyday users and the skills of local makers, their tools are simple in form but deeply considered in function. From cooking and cleaning to daily routines, KAJIdonya designs pieces that quietly become indispensable companions in the home.

As both a maker and a bridge between craftspeople and users, KAJIdonya continues to preserve the traditions of Tsubame-Sanjo while adapting to modern life. The result: durable, timeless tools you will reach for again and again.