Comparison : Item # 27,479, Plastic GPO-3 Sheet 0.031x12x12"
Item # 27,480, Plastic PTFE Sheet 0.031x12x12"
Item # 27,481, Plastic GPO-3 Sheet 0.031x12x24"
Item # 27,482, Plastic PTFE Sheet 0.031x12x24"
Item # 27,483, Plastic PTFE Sheet 0.031x12x36"