Officeship Retractable Smile Face Badge Reels 7PCS, Assorted Colors Price For 7 PCS Strong Nylon Cord with 30 Inch Pull Retractable cord allows convenient scanning/swiping of cards Strength of the reel: It can easily hold 2 badge holders and 2 keys (about 2 oz) without hanging out. But if holding too much (about 3 oz), it will hang up and down while walking.