Wink is a medical grade compression binder that is seamless under clothing, offering TWO LAYERS of silky strong and comfortable compression material. The Ultimate Postpartum Ultra bikini provides compression and support during your postpartum recovery and post abdominal surgeries recovery. Besides postpartum recovery, this bikini can also be worn as a shapewear and is ideal for someone looking for a strong but yet soft compression garment to smooth out love handles and back fat rolls. This compression garment helps eliminates lax skin, baby pooch following a delivery and abdominal surgeries. Features: 3 layers of hook and eye closures at the side to adjust for different waistline 3 layers of eye and hook closures at crotch area to adjust for different torso height Thick band at the top prevents garment from rolling down the stomach when sitting Highly suitable for use after pregnancy, C section and other abdominal surgeries Bikini Length Compression level : High HOW TO GET THE SIZE: Pregnant below 7 months: Size should be 2 SIZES UP from your pre pregnancy waist line. Example, if your pre-pregnancy waistline fell under the size SMALL, then you should get a LARGE. Pregnant: 7 months : (Underbust + Biggest part of the tummy) minus 4 inches, and divide by 2. Get the size where your measurement will fall under. 8 months to term : (Underbust + Biggest part of the tummy) minus 6 inches, and divide by 2. Get the size where your measurement will fall under. Example: Underbust is 33, biggest part of the belly is 40. (33 + 40 - 6) divide by 2 = 33.5 --> LARGE Not pregnant: (Curve of waist + Waist along the belly button) and divide by 2. Care Instructions: Hand or Machine wash on gentle cycle then air dry. DO NOT BLEACH. Bleaching will cause damage to the elasticity of the fabric.