Why you buy it:*Do you often rush around your door because you can't find the key?*Do you often look around because your cards, work permits and transport cards are too small to find their tracks?*Our 2-in-1 retractable ID holder is dedicated to solving these problems.*Our retractable keychain is small and practical, stylish and lightweight. Durable and can save you time, effort and worries. A good helper in your daily life Specification:Material: plastic & MetalColor: BlackSize: 10 x 4 cmMaximum stretch length: 60 cm What you can get:2 x Black Retractable ID Holder Warm notes:*To protect the security of your ID card and keys, the lock buckle is very tight. So when you open the lock, first press the button on one side and then select.*Please allow a slight size error due to manual measurement.