Because many parents don't make their kids memorize their phone number or address.
Exercise Armband Phone Holder IPhone 7 No phone or headphones included. Armband only. Never been used; still in box. For IPhone 7 Accessories Phone Cases
Hot Glue & Sparkle: DIY ARMBAND PHONE CARRIER (MADE OUT OF A SOCK)!
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INCIPIO IPHONE 6/6s armband phone case Pink INCIPIO IPHONE 6/6s armband phone case. Lightly used. Good condition. INCIPIO Accessories Phone Cases
Sport armband phone holder Sport armband phone holder Accessories Phone Cases
Insten Premium Sport Exercise Running Armband Phone Case Cover With Key Pocket For Apple iPhone 5/ 5S/ SE #1733711
iPhone 6 otter case 2 cases armband phone stand Used black otter case (shows signs of wear) 2 new cases (blue and red) new phone stand and new armband Accessories Phone Cases
soundKase armband phone case New never used, still in box. Works with iPhone 6. Also has a key slot and adjustable. Accessories Phone Cases
Workout Top & Armband Phone Case Great workout top. Gently used. Armband phone case included! Tops