Damson Jam Spend £25 and get Free Delivery £3.00 Out of stock. Standard Jar - 240g, Mini Jar - 80g, Large Jar - 350g. (Please note, mini jars do not have fabric lid covers) Ingredients - Damsons, Sugar. Prepared with 51g of fruit per 100g and 51g of sugar per 100g. Vegetarian, vegan, gluten-free.