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These are period-friendly bikini bottoms in a regular fit with a high-leg cut and added stretch for comfort. Designed to be worn during your period, they allow you to enjoy the water with confidence. The flattering cut sits high on the waist and falls to mid-thigh, providing a comfortable and secure fit. Perfect for beach days and pool parties, these bikini bottoms are a must-have for any swimwear collection. Machine wash at 40°C.
Polyester, Elastane
Machine wash at 40°c.
Marks and Spencer UK — £3.99 standard delivery, free over £60.00 via Standard, typically 2-4 working days.
Marks and Spencer UK offers free returns within 28 days. Post back via the retailer's chosen courier (free), or in-store where available.
View Marks and Spencer UK's returns policyThese are period-friendly bikini bottoms in a regular fit with a high-leg cut and added stretch for comfort. Designed to be worn during your period, they allow you to enjoy the water with confidence. The flattering cut sits high on the waist and falls to mid-thigh, providing a comfortable and secure fit. Perfect for beach days and pool parties, these bikini bottoms are a must-have for any swimwear collection. Machine wash at 40°C.
Polyester, Elastane
Machine wash at 40°c.
Looking for similar styles? Browse more swimwear from Marks & Spencer, beach swimwear, black swimwear, all swimwear, or everything from Marks & Spencer.
The M&S Period Bikini Bottoms Black works for beach days and pool party.
Pair with a high-waisted bikini top for a complete look.
The M&S Period Bikini Bottoms Black is made from polyester, elastane.
Editor's edit
Pair with a high-waisted bikini top for a complete look.
See all outfit ideasMarks and Spencer UK offers free returns within 28 days. Post back via the retailer's chosen courier (free), or in-store where available.
Second-hand alternatives to the M&S Period Bikini Bottoms Black on Vinted, Depop and other UK resellers.