Non-metal sleeves that fit over a toothbrush handle for use in identifying the owner of the toothbrush; color coded sleeves of elastomeric material for use in toothbrush owner identification; color coded sleeves of elastomeric material incorporating a space for writing a name and used to attach to a toothbrush handle for identifying the owner of the toothbrush; slip on toothbrush handle sleeves of polymeric material bearing indicia of toothbrush ownership