Aluminum frame construction which makes the pump light. It also makes the pump to be more durable as aluminum is less likely to break due to falling. Aluminum is also rust-proof and less likely to be damaged by heat. This pump is highly portable because of the material it is made with and also it's size which consumes little to no space. It is one of the most vital things to have in the house because of it's usefulness. It can be used to inflate;balls, bikes, toys, mini pools, floaters and balloons. Imagine you want to go for a bike ride but you can't because you have got a flat tire, you don't have to experience the agony. Get yourself a mini pump at the most affordable price possible ever. Size: Approx. 45 cm / 14.87 inch Color:silver *NOTE* Due to the differences between different screen sizes, the picture may not reflect the actual color/size. Therefore, allow a slight adjustment. There is 2-3% difference according to manual measurement, please check the si