7 Fun Mason Jar Lids with Straw Holes Really Cute SEE DESCRIPTION. The lids are approximately 3" in diameter. These lids are in good condition, BUT the insides do have a little wear. Please look closely at pictures. Some of these have been used, BUT they are clean. This product is a set of 7 floral Mason jar lids with straw holes, featuring a multicolor design. Each lid is designed with a straw hole for easy sipping. Perfect for adding a cute and decorative touch to your kitchen or dining area, these lids are a fun and functional addition to your canning supplies. The Mason brand ensures quality and durability in these stylish and practical kitchen tools.