also: すわっち
noun
swatch
A small sample piece of fabric, paint, or other material used for testing or selection. A direct loanword from English, used in design, fashion, and manufacturing contexts.
カーテンを選ぶ前に、スウォッチを取り寄せた。
Before choosing curtains, I ordered some swatches.
このスウォッチの色は、実際の壁の色と少し違うかもしれない。
The color of this swatch might be slightly different from the actual wall color.