This is a Mason Jar lid, which are manufactured with good materials, durable and safe enough to use. Equipped with a creative design, which can prevent your Jar from warping and form an airtight seal, sturdy, durable and leak-proof, helping your Jar stay fresh. High grade materials and fine workmanship, durable. Features -Color:Green -Material:Silicone -Size(1):8.80X8.80X1.80cm/3.46X3.46X0.71in -Size(2):10.30X8.50X2.00cm/4.05X3.34X0.79in -Note: Suitable for 86 wide -Each can lid is reusable and leak-proof and can be used with most regular cans. -Fits for regular or wide mason jar and canning Jar perfectly, convenient and practical. -Designed with good airtight function, these mason jar lid are very convenient to use. -Made of premium materials, these Mason Jar lid are safe and practical enough to use. -Sustainable silicone and silicone material lid are safe, strong, durable and beautiful. Package list: 3 x Lid 3 x Side Holder