Windows to be opened. Or enigmas to be kept secret. Style première. BB11 is the steel insulated water bottle ready for the red carpet. 100% Italian design with a matte finish, completed by a red silicon bottom and the iconic red cap. Together with your BBOOM, you will have four interchangeable silicone rings for a drop-proof cap. 4 rings, 4 different looks for your bottle cap and a gift: a gadget to use as you want. Use it as a keychain or as your creativity suggests.