What to look for buying a mosquito net?

[Domestique]

Have never used a mosquito net before, normally been happy inside the tent. But this year we are going to Denmark and see a lot of campsites have wooden shelters for sleeping.
So I would like to have a net that could either be put over the entrance or over sleeping bag. Size and weight are the main issue. Any recommendations?

[bikefish]

box type have worked best for me so far but lifessystems have a dome  net that might also work. as a tent with a poncho rainfly. IME wedge and umbrella designs means feet / legs get  bitten

[fuaran]

Depends on what sort of insects you are expecting, but worth checking how fine the mesh is. ie if its designed to stop mosquitoes, it may still let midgies through.