Original Size: Designed Compatible with 20122016 Lowe’s allen roth 10ft x 12ft gazebo #355094 & 510327. This particular replacement canopy cover will not fit any other gazebo than the above-mentioned model? Better Than Your Original: full canopy cover adopt newest secure materials. More wear-resistant and tear resistant. Sothat the canopy cover have better water resistance, PU coated is good atsunproof, anti-Uv, keeps cool in hot day, suitable for all season. Plus it has a nice texture that just looks higher end. Measurements Are: Small Top about : 40.35 in. Big Top about: 154 in. X 128.15 in. Fits for gazebo model number: GF-12S004B-1 / GF-12S004BTO. Packing List: Replacement Cover Only, Frame and sidewall not included. Easy To Replace: It’s easy to upgrade your gazebo old top. It is designed for quick and trouble-free installation.