A folding pet bed, comprising: a frame, comprising a top face and a bottom face, and further comprising: a spine comprising a first side and a second side opposite to the first side; a first frame plate coupled to the first side of the spine to form a first rotating joint; a second frame plate coupled to the second side of the spine to form a second rotating joint; the first frame plate comprising a first plurality of flexible arms; the second frame plate comprising a second plurality of flexible arms, wherein each of the first and second pluralities of flexible arms comprises a first end fixably coupled to the corresponding frame plate and a second end not fixably coupled to the corresponding frame plate; and a plurality of casters coupled to the second ends of the first and second pluralities of flexible arms at the bottom face of the frame; a first tray coupled to the first frame plate at the top face of the frame; and a second tray coupled to the second frame plate at the top face of the frame, wherein the first tray comprises a first plurality of slots, wherein the second ends of the first plurality of flexible arms are able to flex through the first plurality of slots, wherein the second tray comprises a second plurality of slots, wherein the second ends of the second plurality of flexible arms are able to flex through the second plurality of slots. a frame, comprising a top face and a bottom face, and further comprising: a spine comprising a first side and a second side opposite to the first side; a first frame plate coupled to the first side of the spine to form a first rotating joint; a second frame plate coupled to the second side of the spine to form a second rotating joint; the first frame plate comprising a first plurality of flexible arms; the second frame plate comprising a second plurality of flexible arms, wherein each of the first and second pluralities of flexible arms comprises a first end fixably coupled to the corresponding frame plate and a second end not fixably coupled to the corresponding frame plate; and a plurality of casters coupled to the second ends of the first and second pluralities of flexible arms at the bottom face of the frame; a first tray coupled to the first frame plate at the top face of the frame; and a second tray coupled to the second frame plate at the top face of the frame, wherein the first tray comprises a first plurality of slots, wherein the second ends of the first plurality of flexible arms are able to flex through the first plurality of slots, wherein the second tray comprises a second plurality of slots, wherein the second ends of the second plurality of flexible arms are able to flex through the second plurality of slots. a spine comprising a first side and a second side opposite to the first side; a first frame plate coupled to the first side of the spine to form a first rotating joint; a second frame plate coupled to the second side of the spine to form a second rotating joint; the first frame plate comprising a first plurality of flexible arms; the second frame plate comprising a second plurality of flexible arms, wherein each of the first and second pluralities of flexible arms comprises a first end fixably coupled to the corresponding frame plate and a second end not fixably coupled to the corresponding frame plate; and a plurality of casters coupled to the second ends of the first and second pluralities of flexible arms at the bottom face of the frame; a first tray coupled to the first frame plate at the top face of the frame; and a second tray coupled to the second frame plate at the top face of the frame, wherein the first tray comprises a first plurality of slots, wherein the second ends of the first plurality of flexible arms are able to flex through the first plurality of slots, wherein the second tray comprises a second plurality of slots, wherein the second ends of the second plurality of flexible arms are able to flex through the second plurality of slots.