The "Mothers Minder" is a silicone wristband, but it is designed with the numbers 1 to 12 embossed around the edge, and has a little slider thing that you slide around the wristband. (this doesn't fall off either).
So to use it, you feed baby and then slide the timer to whatever time it is. And you switch the band to your left or right wrist depending on what boob you just breastfed from. The band then reminds you what time you last fed baby, and you can keep track of feeds. It makes life a lot easier with breastfeeding a new born!
This makes an AWESOME baby shower gift!!