Reusable 800 gram jar. The team at Big Red's Stable Snacks only use the highest quality ingredients to make their wonderful equine reward and treating cookies, they are all hand made by the Big Red's bakers and are slowly oven baked in an Italian stone oven over a period of nearly 4 hours. There are no artificial preservatives or artificial flavours in any of the biscuits and YES they are tested on animals! All manner of equines have taste tested the product with a resounding "Whinny" that they are great snacks.