Before buying a tarp bundle, I'd list the actual objects or areas that need covering. The 4 Pack 8 x 10 ft Army Green Tarps, 5.5 Mil Heavy Duty Waterproof Tarp provides four 8-by-10-foot sheets, which is useful when you have several defined jobs rather than one vague desire for more outdoor gear.

The army-green color may blend with a campsite or equipment area. It won't tell you anything about seam strength or how the edges are reinforced, so construction still deserves a close read.

The Listed Package

Four separate tarps.
8-by-10-foot dimensions.
5.5-mil advertised thickness.
Waterproof and heavy-duty descriptions.

Thickness is a useful comparison point, but I'd compare attachment details and the manufacturer's instructions too. The heavy-duty label isn't a standardized answer to every job you might give a cover.

Allow for the Way It Will Sit

A flat sheet's measurements are larger than the protected footprint once you slope it or pull it over an object. If you're covering stored gear, account for the sides as well as the top. A little measuring now is easier than discovering exposed corners in the rain.

Four covers also create a storage question. Keep each one identified with its intended use if you don't want to unfold the whole pile every time you need the right sheet.

My Buying View

I'd compare this set for separate gear covers and ordinary outdoor arrangements that fit the stated size. I wouldn't assume a tarp is suitable for supporting people or loads just because it has attachment points.

If your intended job involves prolonged exposure or strong tension, read the construction details closely and compare more specialized options. The reason to choose this bundle is getting four suitably sized utility sheets. It isn't a substitute for selecting a tent or other shelter around its full design.