The present invention relates to a forensic device suitable for acquisition and storage of biological samples, comprising in an air tight container (1) a water soluble layer (10) which is adhered to a flexible layer (11) by a water impermeable adhesive layer (12), wherein the air tight container (1) comprises a cover (2) defining a storage campartment (3) and a base (4) having attached thereto a protrusion (5) which extends from the base (4) inside said storage campartment (3). Further, the present invention relates to the use of the forensic device to acquire and store a biological sample.
