A telescope-type capsule shell, CAPSSHELL, with two separate parts, a cap and a body, wherein the cap and the body telescopically engage with each other for closing CAPSSHELL; the cap has a closed end, CEC, and an open end; the body has a closed end, CEB, and an open end; the cap comprises in the x direction four consecutive segments SC0, SC1, SC2 and SC3; SC0 comprises CEC; SC1 comprises a closure ring of the cap, CRC, in form of a protrusion that extends over the entire circumference of the cap; SC2 comprises a region of protrusion of the cap, RPC; SC3 comprises the rim of the open end of the cap, RIC; the body comprises in the x direction four consecutive segments SB0, SB1, SB2 and SB3; SB0 comprises CEB; SB1 comprises a hollow-cylindrical segment of the body, CSB; SB2 comprises a closure ring of the body, CRB, in form of a protrusion that extends over the entire circumference of the body; SB3 comprises the rim of the open end of the body, RIB; in the RPC there are at least two protrusions, PRPC, which are separated from each other in the circumferential direction of the cap by parts of RPC; a closed position is the position where the cap is fully engaged with the body so that CASPSHELL is closed, in the closed position CRC engages with CRB; any protrusion of CAPSSHELL extends inwardly into the cavity of the cap or the body, respectively; the extension of the CAPSSHELL, when the cap is telescopically engaged with the body in the direction of its length is designated as x direction; characterized in that in the RIB there are at least two airvents, AV, in form of protrusions, which are separated from each other and which extend from the edge of the open end of the body, EB, to the CRB, but not over the entire length of the CRB into the CSB; and the RPC extends over the entire circumference of the cap. the cap has a closed end, CEC, and an open end; the body has a closed end, CEB, and an open end; the cap comprises in the x direction four consecutive segments SC0, SC1, SC2 and SC3; SC0 comprises CEC; SC1 comprises a closure ring of the cap, CRC, in form of a protrusion that extends over the entire circumference of the cap; SC2 comprises a region of protrusion of the cap, RPC; SC3 comprises the rim of the open end of the cap, RIC; SC0 comprises CEC; SC1 comprises a closure ring of the cap, CRC, in form of a protrusion that extends over the entire circumference of the cap; SC2 comprises a region of protrusion of the cap, RPC; SC3 comprises the rim of the open end of the cap, RIC; the body comprises in the x direction four consecutive segments SB0, SB1, SB2 and SB3; SB0 comprises CEB; SB1 comprises a hollow-cylindrical segment of the body, CSB; SB2 comprises a closure ring of the body, CRB, in form of a protrusion that extends over the entire circumference of the body; SB3 comprises the rim of the open end of the body, RIB; SB0 comprises CEB; SB1 comprises a hollow-cylindrical segment of the body, CSB; SB2 comprises a closure ring of the body, CRB, in form of a protrusion that extends over the entire circumference of the body; SB3 comprises the rim of the open end of the body, RIB; in the RPC there are at least two protrusions, PRPC, which are separated from each other in the circumferential direction of the cap by parts of RPC; a closed position is the position where the cap is fully engaged with the body so that CASPSHELL is closed, in the closed position CRC engages with CRB; any protrusion of CAPSSHELL extends inwardly into the cavity of the cap or the body, respectively; the extension of the CAPSSHELL, when the cap is telescopically engaged with the body in the direction of its length is designated as x direction; characterized in that in the RIB there are at least two airvents, AV, in form of protrusions, which are separated from each other and which extend from the edge of the open end of the body, EB, to the CRB, but not over the entire length of the CRB into the CSB; and the RPC extends over the entire circumference of the cap.