1. A mattress combination, comprising:
an inflatable mattress; and
a cover permanently attached to the mattress, the cover including an opening and a first seal proximate to the opening capable of substantially entirely closing the opening;
wherein the mattress is configurable in at least two configurations,
in a first configuration, the cover surrounding the mattress, and
in a second configuration, the cover extendable away from the mattress;
wherein the cover is permanently attached to the mattress proximate a bottom surface of the mattress; and
wherein an edge of the cover permanently connected to the mattress is perpendicular to a longitudinal axis of the mattress.
2. A mattress combination, comprising:
an inflatable mattress; and
a cover permanently attached to the mattress, the cover including an opening and a first seal proximate to the opening capable of substantially entirely closing the opening;
wherein the mattress is configurable in at least two configurations,
in a first configuration, the cover surrounding the mattress, and
in a second configuration, the cover extendable away from the mattress;
wherein the cover includes outside walls and inside walls,
in the first configuration, the inside walls of the cover facing one another, and
in the second configuration, the outside walls of the cover facing one another.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A sealing material for a solar cell used in a solar power generation system having a system voltage of 600 V or more, the sealing material being constituted of a heat-crosslinking resin composition comprising an ethylene copolymer, a crosslinking agent and a crosslinking aid that comprises a polyfunctional monomer having 4 or more (meth)acryloyl groups in combination with triallyl isocyanurate.
2. A crosslinking aid used in the sealing material for a solar cell according to claim 1, the crosslinking aid comprising a polyfunctional monomer having 4 or more (meth)acryloyl groups in combination with triallyl isocyanurate.