... sail shade nets 1.Material: HDPE 2.Color: optional 3.Features: durable, strong, cyclic used 4.ISO9001 Garden sail shade nets ... 1) Material: HDPE2) Shade Factor: 30%-35%,40%-45%,70%-75%, ... on roof:lower the temperature of the steel structual plants,the housetop,and the wall facing west.As a ... details needed, welcome to contact. garden sail shade nets