Contact one of these USA vendors:
1. www.bhphotovideo.com 800.947.7785 (New York)
2. www.porters.com 800.553.2001 (Cedar Falls, Iowa)
3. www.freestylephoto.biz 800.292.6137 (Los Angeles)
I usually get my blotters from B&H at $9.95 US. Good luck. Let me know if you need any further help.
BTW: All three of these companys' are outstanding and will give the help you need. Should also request their free catalog.