We Eastlink manufacture such clover leaf sling with high tenacity polyester strap.It can be with or without plastic base.This sling is usually one way.And it is mostly used to handle the movement of bulk bags of products like sugar,rice,soybean,fertilizers,flour, coffee, etc.It is also called as lifting sling bag,marine sling,sling mariner,or disposable sling bag etc.And the size of the sling can be made to your specific requirements.Weclome to contact us.