Abstract: A shock absorber having, a frame-shaped frame body that includes an opening portion at a center containing therein a gas and a member provided in said frame body so as to cross said opening portion of the frame body, and supporting a package target.

Abstract: A fastening pad (1) is attachably and detachably inserted into an accommodating furniture (2) to temporarily secure stored goods (3) in the furniture as they are. The fastening pad (1) comprises: a flat sealed bag (11) made of a flexible synthetic resin film; at least one vent valve (12) secured to the sealed bag (11); and a flat absorbing member (13) attached on one side of the sealed bag (11) and made of a flexible recoverable foamed material. The sealed bag (11) is expanded to temporarily secure the stored goods (3) in the accommodating furniture (2) when air is supplied to the sealed bag (11) through the vent valve (12).

Abstract: A cushioning package includes a barrel-shaped balloon body consisting of outer film formed of a material having no air-permeability and an inner film that is substantially similar in shape to the outer film and is formed of a material having no air-permeability and is placed on the inside of the outer film, the films being bonded together at the upper and lower edges such that an amount of air can be fed therebetween, and includes a check valve attached to the balloon body and formed by superposing two film pieces having no air-permeability one upon another and bonding them together along two linear seals, one of the linear seals extending at its lower end at an angle of 45.degree. or more with respect to the other linear seal and terminates at a position spaced several to a few tens mm space away from the linear seal, leaving an unbonded portion serving as an air passage.