Implant for the treatment of eventrations and umbilical hernias either by laparoscopic or open surgery. Micro-perforated implant, made of 2 different faces : one face 100% non-knitted, non-woven polypropylene that has same characteristics and performances than Surgimesh®WN range (ensures a quick and important tissue integration, avoids migration of the mesh and seroma risk). One silicone face that limits visceral adherences (very thin layer to ensure a great flexibility) Long-term biocompatible implant, free from any derivative or additive of animal or human origin. No shrinkag