Standard Mouth Mason Jar Lid: : about 7cm/ 2.75inch in diameter, 6.6cm/2.6inch inner diameter. They fit perfectly on a standard mouth sized mason jar, NOT for other small mouth mason jar. 3 Style Hollow Mason Jar Lids: Hollow honeycomb, leaf, snowflake design, 10pcs each design, 30pcs totally - enough for your use and beautiful design turns your mason jar lids into thoughtful decor. Mason Jar Candle Topper: When used with a mason jar candle, they improve airflow and help it burn more evenly and cleanly, moreover these sculpted metal candle accessories add a distinctive, refined touch to any setting. Easy to Use: They work well and they fit over and hold in place the flat seals for the lid. Decorative open hole lid which lets scent out of jar. Perfect to make scented gift jars for Christmas gifts. You can also use them for table decor with flowers. Wide Usage: These versatile lids are great for candles, scented potpourri, crafts, home decor, homemade oil diffusers, bath salts, air fresheners. Looking to add a little lift to your home decor. Colour:silver Material:Metal Package Contents: 30 x Mason Cover Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.