100% Polyester. Premium & Skin-Friendly Material- Made Of High-Quality 95% Cotton And 5% Spandex, The Breast Lifting Tape Provides Reliable Support That Can Help You Shape A Perfect Body Curve. The Nipple Covers Use Non-Woven Fabric For The Outer And Medical-Grade Silicone To Create A Skin-Friendly Lining That Has Strong Adhesion And Will Not Irritate Your Skin. Optimize Breast & Body Curve- The Perfect Cooperation Of Cindy'S Tapes Strong Adhesive Boobs Tape And Invisible Nipple Covers Can Lift Your Chest Naturally And Make Your Breast Look More Sexy And Perfect. You Can Also Use Your Imagination To Apply The Multifunctional Tape To Other Parts Of The Body For Lifting And Tightening. Strong Adhesive & Sweat-Resistant- There Are Medical-Grade Adhesives On The Inside Of The Tape And Chest Stickers, Which Can Be Attached To The Skin Tightly And Prevent Accidental Slippage Effectively. Besides, The Breathable And Premium Raw Materials Make It Suitable For Sweaty Skin While Running, Excising, Jogging, Etc. Invisible & Decent- The Classic Skin Tone Color Makes This Nipple Cover Set Invisible Under Clothing Of Various Colors. Thus Ensuring Refined And Decent Social Interaction. This Is Also A Great Gift Idea For Your Female Friends.