... 1. material: natural latex 2. Price:USD0.01-1 3. Weight: 1.5g,1.9g,2.3g,3.2g 4. Size ... ,advertising balloon,birthday balloon,party balloon.II.we have different weight balloon:1.5g,1.7g,1.9g,2.3g,3 ... important attribute of metalized nylon for balloons is its light weight, increasing buoyancy and its ability to keep the helium gas from ...