Thank you for viewing! Children's water bottles and water bottle covers are expensive, aren't they? But kids use them roughly, so they get tattered quickly... This is a helpful item for those times! ☆ Simply attach it to the bottom of the water bottle cover to prevent the bottom from falling out ☆ ☆ Comes in a set of 2, perfect for siblings or as a spare ☆ 【Product Specifications】 This product is not the water bottle itself, but an attachment for the water bottle cover. It can be used with Hydro Flask and Thermos bottles. Colors: Black, Purple Material: Silicone Size: Diameter 9cm, Height 4.2cm, Thickness 2mm ※ It will fit most standard sizes (0.8~1.0L), but please be sure to check the size. ※ Using double-sided tape will increase the strength. (Not included) ※ If it doesn't fit, you may be able to use it by adding thickness to the cover with sponge tape, etc. <Product Condition> Brand new, unused. Due to being an imported product, there may be some loose stitching or small scratches/stains. ※ The product has been opened once to check its condition. ※ Please note that the color in the images may differ from the actual product depending on your browser and settings. ※ No individual sales, and please refrain from price negotiations.