Polyester and Spandex fabric 进口 Machine Wash POSTPARTUM UNDERWEAR MATERIAL: Polyester and Spandex fabric,seamless knit, stretchable, lightweight, and breathable. Mesh postpartum underwears are best gifts for Women’s Day, Mother’s Day! WASHABLE & DISPOSABLE: The seamless, knit-weave, latex-free postpartum underwear are designed to be short term, yet resuable and washable, just similar to what many hospitals offer to new moms. GREAT FOR POSTPARTUM RECOVERY: This postpartum underwear panties can be used for both vaginal and C-section deliveries since they have a high waist and do not irritate surgical incisions. MULTI-PURPOSE USE: Adaptable to hold incontinence liners, shaped diaper pads or Maternity pads in place, Leak Proof Protective Briefs. SIZE CHOICE: M/L,XL,2XL,3XL ( Fit Tip: If you are in-between sizes it is recommended that you choose the larger size for the best fit. )