Round Magnet Discs With Adhesive Backing. Many sizes & pack

N42 Neodymium Disc Magnet - 35mm dia x 5mm thick - 30.64lbs Pull

Strong Adhesive Backed Magnets (Small & Heavy Duty)

magnetic-kitchen-products

Magcraft Rare Earth 1/2 in. x 1/8 in. Disc Magnet (14-Pack) NSN0802 - The Home Depot

Master Magnetics 0.315 in. Neodymium Disc Magnet (10-Pack) - Kenyon Noble Lumber & Hardware

Round Magnets with Adhesive Backing, 120 Pieces Magnet Circles (Diameter 0.8'” x 0.08”) on 4 Tape Sheets, with 3M Strong Adhesive Backing. Perfect for DIY, Art Projects, whiteboards & Fridge : Office Products

Pop Resin Round Clear Epoxy Stickers for Bottle Cap Pendants or DIY Crafts 2 inch white 01 : : Arts & Crafts

Switchable Magnet

Flexible Magnets