"CHEAP SUNDAY, is made with high-quality and highly stretchy elastic lycra spandex fabric. The material's flexibility will decide the cardholder's life span and how it looks after several months of usage. We select high-quality materials from almost ten cloth suppliers and finally decide on a material entirely different from others. It is ideal for holding a driver's license, ID, hotel key, credit card, business card, cash, or car key and will even stretch to have a set of earbuds. We handpick each product before shipping it to ensure it is in perfect condition. This includes the appearance, adhesive of the sticker, cardholder material, and packaging. Finally, you get a clean, decent product of the highest quality. The CS STICKY LID WALLET is the revolutionary wallet alternative that simply sticks to the back of your phone case. It's crafted with premium Spandex material so it holds EXTRA SECURELY - your stuff will NEVER FALL OUT. Product Features: ✅ Made of Premium stretchy HQ lycra and industrial 3M Adhesive for Enhanced Stability. ✅ It can hold credit cards, cash tightly and keep them from falling out. ✅ Lid secure and slim fit design for travelling. ✅ With this card pouch, you don't need to take you wallet with you."