Thank you for viewing! ☆ Prevents the bottom of your water bottle cover from falling out ☆ Simply insert it into the bottom of your water bottle cover! ・Washable and reusable ⭕️ ・Design blends with any cover ☆ ・Elastic and durable, making it economical!! ★ They get tattered over time, right? This is a helpful item for those times ♪ 【Product Specifications】 ※ Please note that this is not for the water bottle itself, but for attaching to the water bottle cover. ・Color: Black ・Material: Silicone ・Size: Diameter 9cm, Height 4.2cm, Thickness 2mm ※ It will fit almost all covers of a general size (0.8~1.0L), but please be sure to check the size. 【Product Condition】 Brand new and 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. ※ The color in the image may differ from the actual product depending on your browser or settings. Please understand this beforehand. ※ No individual sales, and please refrain from price negotiations. ◎ Brand new and unused ◎ Immediate purchase OK ◎ Free shipping We will ship within 24 hours of purchase.