Amoena Natura Xtra Light 2SN Breast Form (400-2SN)New ultra lightweight silicone formulation makes the weight of the form nearly 40 % less than standard silicone forms of the same shapes and size, while maintaining standards for durability Slightly firmer lightweight silicone in the back layer helps stabilize the form when worn in a bra pocket. Symmetrical shape can be worn on either the left or right side Patented Comfort+ temperature equalising material integrated into the back layer regulates