The shelf can be used a long time .The cross base is more stable.Probably,easy to carry and store 1. pretty competitive price and good quality2,easy to change the pictures3,Beautiful appearance,Perfect design4,Material:all alluminum5,It is widely used in our life.can be used a long time6,Color:silver,Weight:3kg7,Size is normal:60*160cm.other size available8 Packaging: oxford bag