WaterField Designs (http://www.sfbags.com) has announced the US$39 iPhone Wallet — a leather wallet with a window to see and hear the just-announced iPhone 4S, plus pockets for credit cards and cash.

Waterfield Desigsn has also announced the $25 iPhone Hint!, a slim leather sleeve also with an iPhone window and a pocket for credit cards. Both iPhone Cases are customized to fit the iPhone 4S and are available in brown or black, naturally tanned leather.

Both are available now for pre-order from WaterField Designs. They’ll ship by Oct. 31.