The 4th generation of high collar has a more straight breast shape, more realistic hand feeling, a 3cm elongated neck, more hidden,can be folded at will, no crease, comfortable to wear, no tight mark. The new material is improved to the oil-free version, which greatly reduces the oil production. Even in the hot summer, you can wear our products freely. Before wearing, please apply talcum powder, which will make the product fit your skin better. About shipping, we won't disclose any buyers' information. We will deliver the product to you in a very discreet way. Specifications: Material: Medical silicone Breast filler: Fluidity silica gel/ Silk cotton Suitable season: Spring, autumn, winter, summer Thickness: Ultra-thin Size: B cup, C cup, D cup, Ecup, G cup, please see the size chart for details Color: Ivory(#1), yellow(#2), bronze(#3) Stretching: Can be stretched to 200% Error range: 2cm-4cm Tips: 1. This product is easy dyeing, so do not wear faded clothes or jewelry. Keep away from hot temperature, sunshine, sharp pointy things, washing machine, chemical material, don't use nails or sharp items to scratch it. 2. Clean it in lukewarm water with mild soap, air-dry or use a towel gently. 3. Please roll up the edge of the product for 5 ~ 10cm then wear it. (Because the edge is thin, so it's better to roll up the edge before you wear the breast) 4. Because the production batch, the silicone products your received perhaps have a little color difference with pictures, hope you can understand. 5. All of our items are new from factory, it's normal that some of them may have a little smells, but it will disappear soon, please don't worry. 6. If you are not satisfied after received the goods, please be free to contact us, we will help you solve the problem!