Magnetic Lid for YETI Rambler 30oz Tumbler & 3.7 Inch Mouth Bottles | SK Transparent Sliding Lock Cover | Leakproof Upgrade Replacement (Fits 30oz/3.7" 2 Pack) 2 Pack 30 OZ is up for auction in Sports & Outdoors. The current bid is $1.00, 92% below the $11.99 MSRP, in As Is condition. This auction has ended — similar items appear in live auctions regularly.