These are watertight plastic lab grade containers. They fit 40 rounds of 9mm ammunition (so you have an idea on amount). They would probably fit 150+ rounds of .22. I am using one to store a fishing kit as well. They are about 4 inches long, the mouth is about 1 1/4 inches diameter and the container itself is just about 2 inches in diameter. They hold 125 ml or 4 fluid oz. Will store anything you want to keep dry in a BOB in a small lightweight, waterttight container. Asking $1.00 each - 125 ml plastic container These are laboratory grade plastic test tubes made by Fisherbrand. They are watertight and will hold 50 ml of fluid. They are about 4 inches long and 1 1/8 inches in diameter. Asking $1.00 each - 50 ml test tubes Large 30 ml (1 oz) syringe and small 10 ml (1/3 oz) syringe with 0.45 micron filters. The 0.45 micron filters will remove particulates and bacteria but not viruses. These filters are made to twist onto both size syringes. I am using these as emergency water filters. The water will come out with hand pressure at a fast drip. You can filter 1 oz in about a minute using hand pressure. Asking $4.00 for one large and one small with four filters These are 12 ml vials that are watertight, they are about 3 1/2 inches long and 5/8 inches in diameter. They would make great pill or medication bottles. Asking four for $1.00 These are very small 5 ml droppers. They are sealed and sterile. Asking .25 each PM or email me if you are interested in any item or combination of items. I have 100% feedback on ebay and positive feedback here. Shipping will be USPS Priority Mail next day after confirming purchase and receipt of funds. Under 1 lb will be $5.00, for orders over 1 lbs shipping will be calculated and rounded up to the next dollar. I will give a shipping estimate after an order is provided upon request.