Everything is better together right? That's what we think too. We're offering a discount when you combine these two Shwood X Iron & Resin collaboration pieces. From our versatile glasses, to our durable tank bag, you can't go wrong with this combination. Learn more about this collection here . Tank Bag Specs: Heavy Duty 100% cotton canvas with pigmented PU water resistant coating Non-skid, non-scratch hypalon bottom Super high-strength, rare earth magnet mounting system Non-glare clear exterior map/smart device pocket with "touch-thru" capability Interior zipper entry to clear map pocket to keep weather out Interior glasses case with magnet closure and divider for clip-ons. Large buckle closure system allows for secure and easy access. Light foam gives the bag "soft-structure" to help keep shape even when empty Die cut lash loops in Hypalon bottom panel w/ included straps for easy attachment to plastic tanks as well as thousands of other fitments. Glasses Specs : Ultra lightweight Memory Metal wire clip-on Italian cellulose acetate 5 barrel german hinges Premium CR39 lens 100% UVA/UVB protection RX Compatible, contact your optometrist for custom lens options