30 & 60 Litres Bags for Works at Height|Certified as Sling under EN 1492-1 A1:2008|It can be used as a lifting element|With one strap for lifting|Safety stitch and icons to indicate right strap for lifting|WLL for 30 L Bag is : 30 Kg. Test made for 210 Kg|WLL for 60 L Bag is : 60 Kg. Test made for 420 Kg|According to DROPS Best Practices