Display or preserve your favorite sauces, jams, & jellies with Ball Collection Elite Wide Mouth Amber Glass Mason Jars. Colorful & cool, the Amber glass blocks out 99% of food-damaging UV light which can help maintain the flavour, fragrance & nutrients of foods, ferments, herbs & spices. Wide Mouth 4-pack of jars with recipe booklets: 473ml/ 1-pint/16-oz. The Suretight lid keeps food fresh for up to 18 months & this glass jar can be safely used for canning or pickling. The 4-pack pint mason jar set is great for bulk foods you wish to preserve. Suretight lid keeps food fresh for up to 18 months Amber glass jar blocks out 99% of food-damaging UV light Can safely be used for canning, preserving & fermenting such as kimchi, sauerkraut Great for dry goods storage use such as cereals, rice, pasta, coffee, herbs, spices 4-pack set is ideal for bulk food storage or given individually as gifts When preserving/canning, metal lids are for one-time use only. Bands can be reused. Lids & bands are not microwave safe & should be washed in soapy water & dried to avoid rusting. Microwave & dishwasher safe excluding metal lids. Plastic reusable lids are available by Ball Mason Jars for continuous re-use. Not suitable for Freezer. 4 pack Amber Ball Mason 473ml Dimensions: 9.6cm high x 9cm diameter, Wide Mouth Opening is 3ins precisely or 7.8cm diameter.