Thank you for your interest. This is a handmade water bottle cover. It uses a cooling/insulating sheet. A cute cat with round eyes! Comes with a round stopper! The photos were taken with a 500ml water bottle inside! 600ml water bottles also fit! The water bottle is for photography purposes only. Size: ○ Height: 22cm ○ Width: 12cm (at the widest point) ○ Depth: 6cm ○ Uses waxed cord