Display or preserve your favorite sauces, jams, and jellies with Ball Collection Elite Wide Mouth Amber Glass Mason Jars. Colorful and cool, the Amber glass blocks out 99% of food-damaging UV light which can help maintain the flavour, fragrance and nutrients of foods, ferments, herbs and 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 and 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 and 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 and bands are not microwave safe and should be washed in soapy water and dried to avoid rusting. Microwave and 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.