Best buried solid safety pool cover?

I have to buy a pool cover in the shape of my kidney inground pool. What is the best – Loop-Loc, etc. .. What armor is the best place to buy one on the web? I'm leaning towards a solid safety cover with a bomb? All ideas

Try this place has lots of good things! www.poolsuppliesleisureliving.com and two grand prizes!

How to install a custom solid safety pool cover