Weight: 250g/300g/350/400g/450g/500g/600g per pair Features:Medical-grade Silicone: made of light-weight medical grade silicone, which is lighter in weight than standard silicone and makes it possible for the artificial breasts Triangle Shape: Axisymmetric Triangle shape matches the weight and curves of the chest, constructed with deep concave backside to be breathable for skin, especially designed for someone who has had a complete mastectomy. The nipple is close to the real one. It can be worn inside a bra pocket or used special glue to adhere directly to the body. Suitable for people: Concave design, Especially suitable for women with breast defects caused by mastectomy and breast cancer. Also suitable for flat breast, cross dresser, transgender, cosplay and etc. Reusable and easy to clean: Simply rinse with mild soap after each use; *Stay away from things with sharp points, such as scissors, needles, sharp nails and etc. Put it in boxes or bags when not used and avoid direct sunshine * Specification Material: pure 100% silicone. Occasion: Mastectomy, transgender, crossdresser, cosplay etc. Protection *Don't over press the breast forms. * Clean it with mild soap once a week and dry it with towel gently every day. *Avoid sun exposure or high temperature. *Keep it in boxes or bags when not used. *Stay away from things with sharp points, such as scissors, needles, sharp nails and etc.