?length recommended.?If your height is below 175cm(69inch), we suggest you choose a 120cm Lanyard. If your height is 175cm or above, please choose a 140cm Lanyard. ?anti theft and anti loss? the strong quick release buckle helps to hold the mobile phone firmly and prevent the mobile phone from falling accidentally. To ensure that the mobile phone is safe and within your sight, the strong metal buckle and safety rope can prevent the mobile phone from falling accidentally. Don't worry about dropping or misplacing your phone. Free Your Hands?Whether it is shopping, walking the dog, cycling or taking photos, this cell phone and key lanyard do allows you to free up your hands at any time to deal with the present. Easy to Assemble and Detachs?No tools required, you just pass the pad through charging hole of fully covered phone case, then insert your phone and connect to the lanyard. Compatible for most smartphones with a full coverage case, and keep your phone in safe condition and easy using. the thin pad could support corded and wireless charging without being removed, without blocking the charging port, lock button or camera. ?High quality materials?Skin-friendly Nylon material let your neck fell premium soft and comfortable. Strong and quick release buckle or short strap helps to hold the phone safely.The mobile phone chain is very light and very difficult to pick up dirt, perfect for outdoor activities.