raised and the shelter is in the closed position when the lid 500 is lowered the lid 500 has a roof wall 501 a front wall 530 and both a left 520 and a right 510 side wall all of the walls of the lid 500 are molded together from a single piece of plastic the edges of the walls form the upper portion of the lip 550 which seals the shelter in the closed position this lip 550 is congruent with the lower lips 250 of the threshold 200 thus the upper lips 55 of the lid 500 meet the lower lips 250 of the threshold 200 to form a seal when the shelter is in the closed position as noted above the lid 500 also has the structural ridges which are similar to those of the top the parallel peak ridges 560 are located on the roof wall 501 and on the front wall 530 and run from the point of contact with the top 400 towards the point of contact with the threshold 200 just above the lip of the front 530 left 520 and right 510 walls of the lid 500 there is a continuous perimeter structural ridge 561 molded into the respective walls also disposed on the lid are a handle 610 and a locking mechanism 591 the handle 610 is located within an indentation in the front 530 wall.