These high quality magnet sheets have a strong magnetic force and can operate at high temperatures which makes them perfect for 3D printer flex
High Temp Magnet Sheet - GraviFlex® 200 - Schallenkammer strong hold M
DIYMAG Adhesive Magnetic Sheets,, 4 x 6
Self Adhesive Magnetic Sheets - Make Anything a Magnet - Magnetic Adhesive Sheets -Premium Quality Peel and Stick Magnets by Flexible Magnets 60 mil (8 x 10, Pack of 5) : Office Products
Voron V0.1 Build 120mm MIC6 Aluminum Build Plate
Master Magnetics Flexible Magnet Sheet with Adhesive - 12 Wide, 24 Long, 08504: : Industrial & Scientific
Self Adhesive Magnetic Sheets - Make Anything a Magnet - Magnetic Adhesive Sheets -Premium Quality Peel and Stick Magnets by Flexible Magnets 60 mil (8 x 10, Pack of 5) : Office Products
High Temp Magnet Sheet - GraviFlex® 200 - Schallenkammer strong hold M
Master Magnetics Large Flexible Magnetic Sheet with Adhesive
High Temp Magnet Sheet - GraviFlex® 200 - Schallenkammer strong hold M