UNIVERSAL DESIGN: The Adapter Card Fits Inside Your Phone Case. Then Simply Connect the Strap to Adapter Card and You're Ready to Go! Compatible with Any Phone Case that has Dedicated Hole for Charger Port VERSATILE: Converts Your Phone Case into a Crossbody Carrier. The Strap is Fashionable, Comfortable and Adjustable. Toss it Over Your Shoulder or Crossbody for Extra Security. You Can Even Remove the Strap for Use on Other Purses ZIPPER COIN PURSE: Ultra Convenient so You Can Carry Phone, ID, Cards, Key, Chappy All-In-One. Ideal for Travel or a Quick Trip to the Store. Keeps Everything You Need in One Place MAKES A GREAT GIFT: Crossbody Straps are Trending for Women of All Ages. Teens Love the Fashion, All Enjoy the Practicality. The Crossbody Straps are Comfortable, Durable and Convenient. Several Design Options!