Our favorite presses are made of good quality
hard wood from Colombia. This type of press has become increasingly difficult to find. Most of the presses found online are made in China. This press will function but the wood tends to be lower quality and the hinges may be more prone to rust.
Plastic tostoneras are available as well. A sturdy plastic press will probably be more useful than the lower quality wooden press. Check to make sure the plastic is thick and the hinges well-attached so they don't come apart with use.
The tostonera relleno is used for making stuffed tostones. A plantain slice is placed in the bottom of the form then pressure is applied. The pressure stretches the slice and creates a "crater" which is stuffed, then fried.