Ilyever Upgrade Extra-Strong (Hold 100g) Magnet Squares(20x20x2mm) with 3M Adhesive,Elexible Sticky Magnets for Crafts & DIY Projects, Hanging & Organizing Lightweight Objects,80 Pack Good Quality Materials: Each squares can be easily Hold up 80  100 grams,More Stronger than others,If you stick little heavy items,pls attach more squares. Strong 3M Adhesive - 3M adhesives are made for sticking quickly & Strong and firmly, and lasts for a long time. Be careful to apply enough pressure when sticking it to an object.Perfect for sticking DIY project, Postcard, Name card and others Easy to Use 80 Squares Magnets have a lot of creativity,Easy to Peel and stick, you can stick many objections to you fridge or other flat surface ,which can offer you more convenient . Multi-Purpose  You can use it as magnetic squares, magnetic strips or magnetic sheets as you needs,it will offer you endless creativity and bring more fun. Life Warranty: Ilyever Magnet Squares with a 100%, no questions asked money back or replacement guarantee.