The disclosure relates to a morcellation bag including at least one film of plastic material attached so as to define a surface of the bag with a first closed end and a second open end for introducing surgical specimens and a morcellator; characterized in that it is provided with at least one transparent region, said transparent region having an area of at least 1 cm2 and a thickness less than 200 μm; said transparent region being made of a material or materials with a total transmittance greater than 80%, a clarity greater than 80% and a haze less than 25%.