DescriptionIf you are looking for a professional and affordable bottle lid sealing ring, then your research is over here. That's because our bottle lid sealing ring can satisfy your need. It makes easier to keep your bottle leak proof with this item. It will be the good choice for you.Features-Color:Black-Material:Silicone-Size:8.00X8.00X0.50cm/3.14X3.14X0.20in-Note:Suitable for Capacity of 20Oz.-Selected high grade silicone materials, this bottle sealing ring is healthy and safe.-Fine material makes this ring is more resistant to high temperature, acid, more durable.-Good sealing effect, it can keep the bottle inner temperature when you take water outside, practical.-Easy to install and remove, this this sealing ring is also easy to clean and clean after washing-Repeated folding does not affect its function, thus you can use this sealing ring with confidence.Packing list: 5 x Sealing Rings