HIGH QUALITY MATERIALS and CNC Carved to Fit Perfect：Build with high quality materials with precision carved molds to fit perfect. the accurate size will hold the sim cards tightly and securely so it will not drop from the adapters or the case. UNIQUE PATENT DESIGN with POWERFUL FUNCTION:Keep 1 SIM card holder, you will get 5 service. Such as SIM adapter kit,Nano Sim card holder,Micro SD card holder,Eject tool pin,Mini ruler. Ideal for travelling and for multi sim card users.Nice gift for someone who travels. ULTRA-THINl BODY with Keychain Hole: Slim size style which is lightweight with keychain hole, can be carried in your pocket/wallet or tie it on your keychain/carrybag. Product size: 4.5*6.3*0.2cm cm - 45.00 × 63.00 x2mm - 1.77" × 2.48" x 0.08" inch, portable size. SUPER EASY INSTALLATION, only take seconds. No tools required. We advise to use your Sim Adapter Kit always with a manufacturer cut sim card and never insert it in your phone empty. Including 3 Sim Card Adapters,1 Iphone eject tool pin (NO Memory card or sim card included), adapter are for Nano to Micro, Nano to Standard, Micro to Standard, you can also store sim cards and Micro SD cards in the adapters.