The 160 micron size is perfect for flower.
Rosin Evolution bags known for their quality & features:
Dimensions: 3 inches x 6 inches (7,62 cm x 15,24 cm)
Rosin Evolution bags are designed to withstand heat and pressure.
Each bag will hold 30-40g and is turned inside out for maximum yield.
For best results, aim for 1000-1500psi and limit each bag to 40g of material.