40L Set of Five 1950-60s Faux Tortoise Shell Four-Hole Polyester Buttons, 1"

Set of five vintage imitation tortoise shell round plastic buttons. Four-hole sew-through polyester buttons.

Era: 1950s - 1960s
Size: Medium
Quantity: 5
Measure approximately: 40L, 40 lignes, 25.4 mm, or 1"
Attachment: Four-hole

Material: Polyester - Polyester resin became the dominant button material post-WWII due to its affordability, durability, and ability to mimic luxury naturals like tortoiseshell without shortages or regulations.

Color: Mottled browns imitating tortoise shell

Origin: Primarily Asia (Japan, China, Korea, or Taiwan—major hubs for polyester button production from the 1960s onward)

Uses: Four-hole sew-through buttons are well suited to heavier garments where strength and balance matter. They are a classic choice for men’s suit jackets, blazers, sport coats, or overcoats, whether used on front closures or cuffs. They also complement women’s tailored coats, dresses, or cardigans, adding a refined tortoiseshell-style accent. For outerwear or uniforms, these buttons offer durability with understated elegance - the mottled pattern adds visual interest without being flashy and blends easily with earth tones or darker fabrics. The four-hole design allows for a secure attachment, making them ideal for garments that see frequent wear and use.

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