DescriptionThe back strap has three rows and three buckles, which can be easily adjusted to a comfortable state, which is comfortable and convenient to wear. They allow you to enjoy light support and maximum comfort, for all ages of wear.Features-Color: Black and complexion.-Material: Nylon.-A cup size: About 38.00X15.00X1.00cm / 14.93X5.89X0.39inch.-B cup size: About 39.00X16.00X1.00cm / 15.33X6.29X0.39inch.-C cup size: About 40.00X18.00X1.00cm / 15.72X7.07X0.39inch.-D cup size: About 41.00X19.00X1.00cm / 16.11X7.47X0.39inch.-You can adjust the back strap to a comfortable state.-These exquisite invisible bras can show your charming figure well.-You can wear these bras in dresses, shirts, dresses and daily wear.-They can also make a more charming and sexy shape for your chest.-With back strap, these bras are comfortable and convenient to wear.Packing list3 x strapless bras