Package contents: you will receive 50 pieces of high quality NFC tag stickers with the diameter of about 25 mm, small, portable and easy to use. A sufficient quantity can meet your and share with your family and friends. Chip properties: the 215 chip has memory of 504 bytes and read width lock function.Data can be stored for more than 10 years.Read and write speed are extremely fast. Premium material: our NFC tag stickers are made of high quality PVC material and strong adhesives, sturdy and waterproof, durable and not easy to break. They can be placed outdoors or near water without losing its function. Easy to use: no internal energy, battery or manual pairing required.You just need to plug the NFC 215 card on your phone, then the data will be sent directly and quickly to your phone. Wide application: compatible with Tagmo , NFC enabled mobile phones and devices. Can be used frequently to exchange contact information, business cards, URLs, texts, security, identity testing and other purposes. Each NFC tag sticker is readable, writable and easy to program. Color: White Material: PVC Package Contents: 1 set x NFC tag stickers Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.