Amazon basics vacuum bag assist ring

Small assist ring for better airflow for Amazon basics vacuum bag.Provides unobstructed airflow, protects bag from punctures and tear.For permanent use could be glued to either valve or opposite side of the bag (depends on bag contents) or used as is.No supports needed0.2 mm layer height2 perimetersTop shell layers 3Bottom shell layers 3Top shell thickness 0.6mmBottom shell thickness 0.6mmSparse infill pattern - Aligned RectilinearInfill density 15%Boost Me