... layer,adhesive layer,backing layer; 3.Size:4x9cm factory supply fever cooling patch with perfect packaging Product Features: 1. Vaporization ... diffusing and exchanging of water and effective ingredients to relieve fever, headache, nasal Congestion and annoyance;2. Immediate cooling relief ... a convenient disposable product. Safely and gently adheres to forehead so it stays in place, even when you move ...