I use a bench similar to Seamaster's...mine is a little heavier duty, and has all chrome hardware, but basically the same idea...I've used for the past 20 years..I have a special gig bag that it fits in to protect it, and it has held up very well.

My double X-keyboard stand was also a heavy duty model...I got it at the same time as the bench...it too is still like new....it also fits in a special gig bag.

Together, they weigh less than 25 lbs.
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Yamaha Tyros4, Yamaha MS-60S Powered Monitors(2), Yamaha CS-01, Yamaha TQ-5, Yamaha PSR-S775.