Outer Material: Polyester; Spandex Inner material: polyester fiber (polyester) Stretchy Breathable Fabric - High Waist for Comfortable Wear. Fastening method: button Tankini regular Ready to pair with any bikini tops, tankini tops and rash guard tops SIZE: S waist 32cm, pants length 35cm M waist 34cm, pants length 36cm L waist 36cm, pants length 37cm XL waist 38cm, pants length 38cm Manual measurement allows 1-3cm error Note: 1.Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2.Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 348 hours Hope you have a pleasant shopping experience!