Prox Extra Thick Poly Bags Extra thick 0.15mm poly bags It is also super soft. Length: 4.9 ft (1.2 m). Amberjack I want to fish tuna that you put in the college! Length: 8.5 ft (2.4 m). Tuna This product is extremely thick 0.006 inch (0.04 mm) thick. Durable and safe to store amperts and tuna Also great as an inner bag for cooler or fish carry.