Pretty varied selection- some are a penny plus s&h, some are $1, some more expensive designs and S4 ones also:
Amazon.com: BoxWave Blackout Case - Galaxy S5 - Durable Slim-Fit TPU Case with Dual Glossy/Matte Finish, Rubberized Protective Cover for Galaxy S5: Cell Phones & Accessories
Saw on another forum so thought I'd share here also in case ppl are looking for accessories.
Amazon.com: BoxWave Blackout Case - Galaxy S5 - Durable Slim-Fit TPU Case with Dual Glossy/Matte Finish, Rubberized Protective Cover for Galaxy S5: Cell Phones & Accessories
Saw on another forum so thought I'd share here also in case ppl are looking for accessories.