A foldable stadium seat and cooler apparatus for comfortable and convenient seating and beverage storage includes a cooler housing having a cooler drawer to store ice and beverages. A pair of leg receptacles is coupled to the cooler top side. Each of a pair of chair legs has a lower attachment portion, a riser portion, and a support portion. The lower attachment portion is selectively engageable with the pair of leg receptacles. The pair of chair legs receives a stadium bench or seat between the lower attachment portion and the support portion of each chair leg. A chair bottom is coupled to the support portion of each chair leg and a chair back is coupled to the pair of chair legs.

A foldable stadium seat and cooler apparatus for comfortable and convenient seating and beverage storage includes a cooler housing having a cooler drawer to store ice and beverages. A pair of leg receptacles is coupled to the cooler top side. Each of a pair of chair legs has a lower attachment portion, a riser portion, and a support portion. The lower attachment portion is selectively engageable with the pair of leg receptacles. The pair of chair legs receives a stadium bench or seat between the lower attachment portion and the support portion of each chair leg. A chair bottom is coupled to the support portion of each chair leg and a chair back is coupled to the pair of chair legs.

A cushioned stadium seat cover for providing a comfortable and sanitary covering on stadium seats includes a cushion bottom cushion coupled within a bottom cushion pocket. A bottom support pocket is coupled to the bottom cushion pocket to selectively receive a seat bottom of a stadium seat. A connector is coupled to the bottom cushion pocket and a top cushion pocket is coupled to the connector. A top cushion is coupled within a top cushion pocket. A top support pocket is coupled to the top cushion pocket to selectively receive a seat top of the stadium seat.

A cushioned stadium seat cover for providing a comfortable and sanitary covering on stadium seats includes a cushion bottom cushion coupled within a bottom cushion pocket. A bottom support pocket is coupled to the bottom cushion pocket to selectively receive a seat bottom of a stadium seat. A connector is coupled to the bottom cushion pocket and a top cushion pocket is coupled to the connector. A top cushion is coupled within a top cushion pocket. A top support pocket is coupled to the top cushion pocket to selectively receive a seat top of the stadium seat.

A lumbar traction device for treating a lower back of a user includes a shell that is coupled to and extends from a rear edge of a panel. The shell and the panel are configured to position on a seat and in abutment a backrest of a chair, respectively. A coupling means that extends through a front of the shell is coupled to a plate positioned in the shell. The coupling means is configured to couple to a torso of the user to couple the user to the plate. An actuator, which is positioned in the shell and operationally coupled to the plate, is positioned to selectively raise the plate relative to the seat of the chair. The coupling means is configured to transmit an upward force from the actuator to the torso of the user to place a lumbar region of a spine of the user in traction.

A portable collapsible chair may include a frame that may be collapsed to enable a user to carry or store the chair and that may be expanded to form a chair on which the user may sit. The chair may further include a backrest coupled to the frame, a seat coupled to the frame, and one or more heat exchangers. The chair may also include a control circuit coupled to the one or more heat exchangers. The control circuit may provide a first signal to at least some of the one or more heat exchangers to warm the chair in a warming mode or may provide a second signal to at least some of the one or more heat exchangers to cool the chair in a cooling mode.

A portable collapsible chair may include a frame that may be collapsed to enable a user to carry or store the chair and that may be expanded to form a chair on which the user may sit. The chair may further include a backrest coupled to the frame, a seat coupled to the frame, and one or more heat exchangers. The chair may also include a control circuit coupled to the one or more heat exchangers. The control circuit may provide a first signal to at least some of the one or more heat exchangers to warm the chair in a warming mode or may provide a second signal to at least some of the one or more heat exchangers to cool the chair in a cooling mode.

A battery is provided comprising a power storage element, a battery housing, at least two electrical contacts, at least one first charging port, and at least one second charging port. The two electrical contacts and the first charging port are in electrical communication with the power storage element to allow discharge of the at least one power storage element. Similarly, the electrical contacts and the second charging port are in electrical communication with the power storage element to charge at least one power storage element.

A bleacher seat with retractable and foldable armrests comprises two hook assemblies, a cushion assembly, a backrest assembly, two cushion-backrest connecting assemblies and two armrest assemblies, wherein the two hook assemblies are symmetrically arranged at the front end of the bottom surface of the cushion assembly, the lower ends of the two symmetrical cushion-backrest connecting assemblies are fixedly mounted at the rear ends of left and right sides of the cushion assembly respectively, and the upper ends of the two cushion-backrest connecting assemblies are symmetrically arranged at and rotatably connected to the lower ends of two sides of the backrest assembly. The two armrest assemblies are arranged symmetrically, the upper end and lower end of each armrest assembly are rotatably connected to a corresponding side of the cushion assembly and a corresponding side of the backrest assembly respectively, and the armrest assemblies are retractable; and a detachable cushion cloth is arranged on the cushion assembly, and a detachable backrest cloth is arranged on the backrest assembly. Armrests of the bleacher seat are retractable and foldable, all components are rotatably connected, and the cushion cloth and backrest cloth are detachable, so that the bleacher can be folded to be stored.

A bleacher seat with retractable and foldable armrests comprises two hook assemblies, a cushion assembly, a backrest assembly, two cushion-backrest connecting assemblies and two armrest assemblies, wherein the two hook assemblies are symmetrically arranged at the front end of the bottom surface of the cushion assembly, the lower ends of the two symmetrical cushion-backrest connecting assemblies are fixedly mounted at the rear ends of left and right sides of the cushion assembly respectively, and the upper ends of the two cushion-backrest connecting assemblies are symmetrically arranged at and rotatably connected to the lower ends of two sides of the backrest assembly. The two armrest assemblies are arranged symmetrically, the upper end and lower end of each armrest assembly are rotatably connected to a corresponding side of the cushion assembly and a corresponding side of the backrest assembly respectively, and the armrest assemblies are retractable; and a detachable cushion cloth is arranged on the cushion assembly, and a detachable backrest cloth is arranged on the backrest assembly. Armrests of the bleacher seat are retractable and foldable, all components are rotatably connected, and the cushion cloth and backrest cloth are detachable, so that the bleacher can be folded to be stored.