Camper leveling blocks. 4x6 cut to 24". It takes 1 twelve foot and 1 ten foot board to make 5. One for each jack and one for the tongue. Simple hinge and a utility handle. Gonna put a hook and eye latch system to keep them together. A rubber band would work too.
Camco 45167 Reflective Door Window Cover Solar Door Shade Camper Trailer RV Shade reduces heat loss in the winter and reflects sunlight to keep out heat in the summer. Installs easily with Velcro tabs - included. 16"W x 24"L. 1 per pack. $8.49