From the other post, you can see other images of the item along with it's size relative to an iphone.
http://ecx.images-amazon.com/images/I/31%2Bz2JUQIXL.jpg
Also, here is a video that shows the size of the charging pad.
No special deal or anything, just a normal Amazon product. Here is the link:
I have the Anker ultra slim Qi pad, and it is sleek, sexy and awesome! http://www.amazon.com/gp/product/B00HIZ3ZI4/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1
As far as charging two phones at once, try the Duracell Powermat. http://www.amazon.com/Duracell-Powermat-24-Hour-System-iPhone/dp/B0082YVBO0/ref=sr_1_1?s=wireless&ie=UTF8&qid=1416278117&sr=1-1&keywords=duracell+powermat