You're going to be outside a lot, so it's nice to have a table, whether it's to work from, cook, or eat off of
Aluminum tends to be the best material since it's rust-proof (and light-weight), and your table will probably be out in the rain every once in a while. Plastic doesn't rust either, but tends to be less durable and typically has steel legs. Steel is durable and cheap, but will rust over time.
The tabletops of plank-style tables collapse to about the size of a camping chair, but they tend to be less stable. Solid-top (non-folding) tables tend to be the sturdiest, but take up a lot of space. Folding tables are a nice middle-ground.
Sizes range from small side tables, to large tables for dining