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3pk Heavy Absorbency Period Bikini Knickers

Available from Marks & Spencer

These period knickers have you covered for heavy flow days. Bikini shape sits low on your hips, with a lace back and trims for a feminine feel. Designed to absorb up to 20ml of fluid, while neutralising odours keep you feeling fresh. M&S Collection: versatile styles in modern shapes with unique and playful details.

Details & care


Low rise

Added Stretch


Better Cotton Initiative

M&S is proud to invest in making cotton production more responsible. Better Cotton is sourced through a system of Mass Balance. Find out more


60% polyamide, 29% cotton and 11% elastane (exclusive of trimmings), Gusset (of underwear) - 54% polyester, 46% elastomultiester, Gusset (of underwear) - 83% polyester, 17% polyamide, Gusset (of underwear) - 100% polyester


Wash at 40°C

Do not bleach

Do not tumble dry

Iron at low temperature

Do not dry clean

Tom Church
Tom's Tips for Marks & Spencer
  • Join M&S Sparks loyalty scheme for free. You earn "Sparks" as you shop which turn into rewards. Plus, in the past, members have received emails giving £5 off shopping; early access to sales; and invitations to special events.
  • Free home delivery when you spend £60 or more. Also free store collection. Standard delivery costs £3.50. Next day delivery costs £4.99.
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