Swim Cup Inserts Size 4/30B

These wafer-thin smooth laminate foam swim cup inserts are designed to blend neatly into swimwear for a clean, comfortable finish. They are a practical choice for adding shape and coverage to swimsuits, and they can also be used in sportswear, activewear, and evening wear projects where a smooth cup is needed.

Made for sun and chlorine resistance, these cups are a useful option for garments that need to hold up in water and wear. The size 4/30B measures 4 1/2" wide by 4" high, and quantity of 1 equals one pair.

• Wafer thin smooth laminate foam cups
• Sun and chlorine resistant
• Size 4/30B measures 4 1/2" wide by 4" high
• Quantity of 1 equals one pair
• Suggested uses: swimwear, sportswear, activewear, evening wear
• Care: machine wash cold, tumble dry low

Use these inserts when you want a smooth, lightweight cup that blends into the garment without adding bulk. They are especially helpful for swimwear and activewear sewing projects where comfort, coverage, and a polished look matter.