These flexible silicone Maker's Clips (set of 2) are a simple way to keep all sorts of items where you need them. They have magnets embedded at each end to cling to themselves or any steel surface. 
 
Details: Flexible silicone with embedded magnets on either end
Dimensions: 3.5” (9cm) x .75” (2cm)
Use: Wrap around item(s) and allow ends to stick together. Ends will hold together through fabric or 15+ pages of paper.