If you're storing bikes by resting them against each other, or next to items where you don't want chain oil and grime coming into contact, you could look at the Padded Drivetrain Protector by UK brand ...
A Protector chain, secured with a Squire padlock, is a serious security option – back in 2008 we described them as the toughest chains we'd ever tested. The links of this two-metre chain are 13mm ...