The swim spa cover roll up is an excellent alternative of the folded foam covers in warmer climate areas such as Southern and Western parts of the US and Canada, Southern' Europe like UK, Germany, France, Italy, Portugal, Poland... Also perfectly suitable for Australian and New Zealand markets. What's more, it is a very good choice for Sweden, Norway, Finland, Iceland in Summer season. 'The swim spa cover roll up fits to both swim spas and in-ground pools. Since it is a full'frame, it is able to be rolled open in both directions. The skin surface and thread has'UV inhibitors , to' ensure that the cover remains looking'decent even after sun exposure.