Self-inflating bag: Automatically refills with room air or 100% oxygen (when connected to O₂ source).
Pressure relief/pop-off valve: Limits inspiratory pressure (typically 40–60 cm H₂O) to protect against barotrauma; override possible on some models.
Ergonomic design: Lightweight, textured or SafeGrip surfaces, optional handles/swivel joints for comfort and one-handed use.
Medical-grade, latex-free materials: Often made from thermoplastic rubber or SEBS—resistant to heat, chemicals, free from PVC/degradants.
Size variants: Available in adult, pediatric, and infant; color-coded and single‑wrapped for quick selection.
Tamper-proof packaging: Immediate deployment with minimal setup; some kits include pre‑fitted masks and reservoir bags.