Type: Baby Bottle Storage Bag. Use: Storing, Thermal. Material: Microfiber, Aluminium Film. Soaking Time: 3-4 Hours. Features: Zipper Closure, Portable, Hanging, Durable. Size: 8cm x 8cm x 24cm/3.15" x 3.15" x 9.45" (Approx.). Made of premium aluminium film material, good heat insulation. It can be accommodated 350ml bottle. Nice mummy tote, which can be hung on stroller, easy to carry out.