Thank you for viewing! ☆ Brand new, unused ☆ Instant purchase OK ☆ Free shipping ☆ Anonymous delivery "The bottom of my water bottle cover is tattered..." Solve that problem in an instant! Has the bottom of your child's water bottle cover worn out from their rough play? Before you buy a replacement, just put on this silicone bottom cover and it will greatly extend the life of your cover! Best cost performance: Much more affordable than buying a new, expensive pouch! Easy on the wallet ◎ Shock absorption: Durable silicone firmly guards against scratches and dents from drops. Keep it clean: Washable! Easily remove sand and dirt for hygiene. Perfect for daily commutes to kindergarten, elementary school, and junior high school, as well as club activities, sports days, field trips, and lessons. An essential item for water bottles used hard! 【Product Details】 Size: Approximately 9cm diameter x 4.5cm height (2mm thick) Color: Black Suitable size: 0.8L to 1L size equivalent Quantity: 1 piece If you want a set of 2 for siblings or spares, it's a better deal than a single item at 699 yen! Please message me in advance if you wish. Delivered safely with anonymous delivery via Yu-Yu Mercari! It will be folded for packaging. The shape will return to normal quickly because it's made of silicone. Please be sure to check the size of your water bottle cover before purchasing. Water bottle bottom cover, silicone cover, water bottle protection, scratch prevention, bottom breakage prevention Thermos, Zojirushi, preparation for entering kindergarten/elementary school, sports Active in clubs such as baseball, soccer, basketball, volleyball, and track and field!