... ) UV Protected, well for prevent ultraviolet ray 2) 127mm bottom weight,42-44g 3) strong ear design,not easy broken. Name ... -021) UV Protected, well for prevent ultraviolet ray2) 127mm bottom weight,42-44g3) Strong ear design,not easy broken.4) Material ... documents7) Minimum Qty:5000pcs8) Lead time: 30days after payment bottom weight vertical blinds components