Size Chart--(Please refer to the size chart of main picture before ordering) A fits for 32B, 34A, 36A B fits for 32C, 34B, 36B C fits for 34C, 36C, 38B D fits for 32DD, 34D, 36D, 38C DD fits for 34DD, 36DD, 38D, 40C DDD fits for 34DDD, 38DD, 40D How To Dress The Backless Strapless Sticky Bra Nicely? 1.Start with the clean and dry skin that is free of body lotion, oil or perfume. Then, keep your body level with the ground. 2.Lay the bra on flat surface. Remove the disposal plastic of one side and stick on the cup as your normal bra would sit. 3.Tear off the other one and repeat the step.2 to apply the rest side. Press the sticky parts of both side firmly for seconds. Warm Reminder-- 1.Avoid to use in a hot temperature or outdoor sports. Too much sweat will weaken the stickiness. 2.Hand wash with clean water after each wear. Lay flat in a shady place to avoid the direct sun for a longer lifespan. 3.Put the disposable plastics back after air dry