Strong Tubes Are The Toughest Chewables Available. Set - 1 Slim 3/8" Green and 1 Regular 1/2" Blue Strong Tubes. Designed For The Aggressive Chewers, Strong Tubes Will Last Like Nothing Else. BPA-Free, Lead-Free, Phthalates-Free And Latex-Free Material. For Aggressive Chewers -- Chew Factor 3.0 Strong 85A Hard Chewable Portion Made In USA, Tether/Bracelet Made In China Convenient shoulder clip for fast access - 8" navy screen print lanyard