The blue kongs are radio opaque and will show on an x-ray if a dog happens to swallow a piece. I don't know whether they are any tougher. Carrie ----- Original Message ----- From: <Kmgraphic2@xxxxxxx> To: <cnnpmm2@xxxxxxxxxxxxxx>; <showgsd-l@xxxxxxxxxxxxx> Sent: Monday, November 15, 2010 12:23 PM Subject: [ SHOWGSD-L ] Re: Blue Kongs vs. Black > lol - yes, not much and no. > > if you're talking about your burger-boy, forget the kongs<G>. > diane > > Diane Silver-Strasser > Silstra German Shepherds > _Skatiebug'z_ (http://skatiebugz.shutterfly.com/) The online store for > everything German Shepherd and then some! > _http://skatiebugz.blogspot.com_ (http://skatiebugz.blogspot.com/) > Skater's Blog > > In a message dated 11/15/2010 11:05:08 A.M. Pacific Standard Time, > cnnpmm2@xxxxxxxxxxxxxx writes: > > Has anyone tried the Blue Kongs that are supposed to be stronger than the > black Kongs? If so, what did you think? Are the blue Kongs stronger? > > > > > > ============================================================================ > POST is Copyrighted 2010. All material remains the property of the > original author and of GSD Communication, Inc. NO REPRODUCTIONS or > FORWARDS of any kind are permitted without prior permission of the > original author AND of the Showgsd-l Management. ALL RIGHTS RESERVED. > > Each Author is responsible for the content of his/her post. This group > and its administrators are not responsible for the comments or opinions > expressed in any post. > > ALL PERSONS ARE ON NOTICE THAT THE FORWARDING, REPRODUCTION OR USE IN ANY > MANNER OF ANY MATERIAL WHICH APPEARS ON SHOWGSD-L WITHOUT THE EXPRESS > PERMISSION OF ALL PARTIES TO THE POST AND THE LIST MANAGEMENT IS EXPRESSLY > FORBIDDEN, AND IS A VIOLATION OF LAW. VIOLATORS OF THIS PROHIBITION WILL > BE PROSECUTED. > > For assistance, please contact the List Management at admin@xxxxxxxxxxx > > VISIT OUR WEBSITE - http://showgsd.org > NATIONAL BLOG - http://gsdnational.blogspot.com/ > ============================================================================ Carrie & Oak Smith Oak Ridge German Shepherds Dedicated to the German Shepherd Dog Signers: GSDCA Breeder's Code of Ethics www.oakridgegsd.blogspot.com ============================================================================ POST is Copyrighted 2010. All material remains the property of the original author and of GSD Communication, Inc. NO REPRODUCTIONS or FORWARDS of any kind are permitted without prior permission of the original author AND of the Showgsd-l Management. ALL RIGHTS RESERVED. Each Author is responsible for the content of his/her post. This group and its administrators are not responsible for the comments or opinions expressed in any post. ALL PERSONS ARE ON NOTICE THAT THE FORWARDING, REPRODUCTION OR USE IN ANY MANNER OF ANY MATERIAL WHICH APPEARS ON SHOWGSD-L WITHOUT THE EXPRESS PERMISSION OF ALL PARTIES TO THE POST AND THE LIST MANAGEMENT IS EXPRESSLY FORBIDDEN, AND IS A VIOLATION OF LAW. VIOLATORS OF THIS PROHIBITION WILL BE PROSECUTED. For assistance, please contact the List Management at admin@xxxxxxxxxxx VISIT OUR WEBSITE - http://showgsd.org NATIONAL BLOG - http://gsdnational.blogspot.com/ ============================================================================