Average size,100g or Piece. Privacy Box: Special box is avalible to protect privacy,Package includes: ONE PAIR Material: hypoallergenic medical grade silicone Gel,touch very soft and feeling as same as real. Suitable for Occasions: Especial Suitable for women whose surgeries remove some underarm or clavicle tissue because of mastectomy, breast cancer. Also be used for cross dresser,transgender, cosplay etc Triangle shape: The deep concave backside with small air-flow channels of the triangle shape breast form offers a maximum air ventilation and brings a better breathable to the skin. Authentic Visual: Silicone breasts are made of contours with perfectly shaped waterdrop edges which give you an ultra-smooth appearance and authentic visual effect. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.