Comfort cotton fabric, Three -dimensional cotton striped cup surface, Soft and smooth inside, High elasticity and pressure-free. Beautiful your breasts. Outside Material: 45.5%Cottton, 45.5%Regenerated Fiber, 9%Spandex; Inside Material: 60% Nylon,40 % Spandex We have replaced traditional wire with innovative silicone soft support technology so it is very comfortable without wire free and has very comfortable push up and support. Notice: Please check the size information in the description below before ordering instead of the default amazon size chart. Medium Petite: 30D,32A,32B,32C; Large Petite: 32D,34A,34B,34C; X-Large Petite:34D,36A,36B,36C; XX-Large Petite:36D,38A,38B,38C;Medium-Large Plus:36D,36DD,36DDD:Large-X-Large Plus:38D,38DD,38DDD:X-Large-XX-Large Plus:40D,40DD,40DDD;XX-Large-3X-Large:42D,42DD,42DDD Removable all-in-one latex bump padding that lifts and shapes Adjustable straps, Freely adjust the length, Smoothing ballet back, 4 column 3 row back hook and eye closure Technological Innovation Silicone Soft Support Seamless Wireless Adjustable Comfortable Support Push Up Bralette Bra Add One Cup