Strong and durable. Leak proof. Double seal construction. Eight refill rolls. 15 bags per roll. 120 total bags. 7 in. L x 3 in. W x 2.5 in. H (0.60 lbs.). Designed to fit directly into a dog waste bag dispenser, these refill bags will ensure that you're always prepared to pick up after your pet on walks, day trips or other outings. The bags are strong and have a leak proof construction. The package includes eight rolls of 15 bags each. They are finished in blue.