Metal hot tub cover?

[Kevin Luttrell]

Anyone have a good recommendation for a company that provides metal hot tub covers? 

Or, side question, anyone who gets frequent bear visits and has a hot tub have a good strategy for keeping the bears from destroying your hot tub cover? 

Our cabin in the Smokies borders about 100 acres of undeveloped land and we get very frequent bear visitors, including moms with cubs every year. Our hot tub cover has been torn to pieces for the 2nd time in 2 years now and it's $500 to replace....