Like pumpkinseed suggested a washcloth in the freezer is your best bet if you're worried about plastics etc. That said however, the company called The First Years make all their stuff PVC free and you can get it just about anywhere. They make just the kind of teething ring you're talking about. HTH
nak- try this... a great deal! <a href="http://www.kiddinaround.com/Merchant2/merchant.mv?Screen=PROD&Store_Code=KA&Product_Code=TTHR&Category_Code=TC" target="_blank">http://www.kiddinaround.com/Merchant...tegory_Code=TC</a> Most sites charge about $20ea, these are $9.<br><br>
eta: my dd always loved frozen wet washclothes too!