-Non-latex, hypo-allergenic medical grade polyurethane and specially matched medical grade colorants. -Smooth, molded ligature design with .045 inner diameter and .115 outer diameter. -Strength without bulkiness, color stability without heavy metal hazards, and clean, tab less removal from the stick or ring for patient comfort. -24 ligatures per stick / 40 sticks per bag. **For further product information, please contact Chat Support**