20L Set of Sixteen Colorful Ball Plastic Whistle Buttons, 1/2"

Set of sixteen unique white plastic buttons with red, yellow, and green accents. Two-hole sew-through whistle buttons.

Measure approximately 20L, 20 lignes, 12.7 mm, or 1/2".

A whistle button is a collectible vintage button with a single hole on top and two or more holes on the back, designed to protect the thread from wear by recessing it within the button. This construction method hides the thread and has been popular since the 19th century.

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