go to any wallgreens or kmart..or ekards drug stor and get one $19.95 we have been useing ours for 3 year and my daughters use it when they go.we based ours in 14209 zip(buffalo)so when we go shopping there we take it with us and its cheaper to call ont.just get one when you cross at kmart.look on line at walgreens or kmart to look at them