Heavier pop-up and commercial canopies typically use steel or steel-alloy frames, while lighter beach and camping shelters often use fiberglass poles.
Listings commonly cite UPF 50+ sun protection, PU or PVC coatings, and taped seams. Water-resistance examples include 2.1 psi, 1500-level water pressure, and a 2000 mm waterproof rating. Some heavy-duty frames also list wind-resistance figures (example: withstanding a level 4 wind / 18 mph).
Many pop-up canopies offer a three-step height adjustment. Examples in these listings include settings such as 86", 90", 94"; 79", 83", 89"; and, for some commercial models, 118", 122", 126" — exact heights vary by model.
Common extras include removable sidewalls with windows or zippered doors, mesh panels or full-panel mesh walls for ventilation, awnings for added shelter, sewn-in ground sheets or pockets (on beach shelters), and carry or wheeled roller bags. Some packages also include sandbags and stake/rope anchor points.