top-spring 12 oz reusable plastic water tumblers - stackable shatterproof clear plastic drinking glasses set of 6 - bpa-free water glasses unbreakable drinking cups (gray) gray 12 oz is up for auction in Home & Kitchen. The current bid is $1.50, 94% below the $24.99 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.