Nasco Whirl-Pak B00992WA Sample Bag, 180mm L x 95mm W, 0.076mm Thickness, 207ml Capacity (Box of 500)
Giant size Whirl-Pak bags to accommodate large size samples and eliminate reducing into smaller pieces. The closing tab has one round and one flat wire to ensure the bag is closed securely. Fold tab over tightly 4-5 times when closing, volume measurements are approximate.