I wanted a small changing pad that could hold a couple of diapers and a travel packet of wipes to keep in my purse. But every product was too big, they're designed for strollers, not purses. So I decided to make one myself. And it worked out so well that I made a few more to document the experience.
A lady at the fabric store told me to sell these, but I actually feel guilty for doing that, they're so easy to make that it feels like robbery. Here are the instructions.
For a changing pad with finished dimensions of 15" x 25":
one rectangle of cotton print, 16"x26" or 1" greater in length and width than final desired size (this allows for a half inch seam allowance on all four sides.) PREWASH before you cut it to size, or it'll fray and be smaller than intended.
one rectangle of fleece, same size as your cotton. Prewash this too.
one 18" strip of 3/4" wide elastic
thread in a compatible color (I use two colors, one to match the fleece, and one to match the print)
iron & ironing board
a sewing machine (or a vast amount of patience and skill to do this by hand)
Notes: Most cotton prints are sold in the 40" bolt. From half a yard, you can only get one changing pad, but from a full yard you can get three - two down the length of the fabric and one crosswise. Fleece, however, comes in a 60" bolt, and half a yard of fleece provides enough for two changing pads.