Material: 100% medical grade silicone, super soft, skin-friendly. Touch and feel like real breasts. Forms Weight: Approx.150 g/piece, Dimensions (as size picture shown): 12.8 cm * 9.5 cm * 3.5 cm. Package included:only ONE PIECE mastectomy prosthesis (NOT ONE PAIR). Perfect for post op mestectomy, cross dresser, transvestite, cosplay, breast cancer recovery, and everybody else who wants an invisible support for a fabulous shape. Waterdrop-Shaped: This breast form is suitable for vertical mastectomy incision or for the surgery that removes the axillary contents along with entire breast tissue, as it can be angled for a best fit.This breast form is fit both your left and right breast. After-sales: Please refer to the size chart before you purchase. If you meet problems such as unsuitable size, please feel free to contact us. We will resolve it for you ASAP. Thanks.