The INUTEQ PCM Inserts (cool packs) are made from 100% biobased PCM cooling technology (Phase Change Material) and are manufactured using plant-based materials. INUTEQ-PAC® products surpass conventional PCM with paraffin and salt hydrates in several areas including enhanced fire safety, long-term stability, safer handling, and production from reusable materials. The biobased PCM is non-toxic, flame-resistant, 20% lighter than water, and generates no condensation. To activate the INUTEQ PCM-PAC, simply cool the pack in an icebox, then insert it into your Bodycool Hybrid 2-in-1 Vest. Ideal for maintaining optimal body temperature during strenuous activities or in hot climates, these PCM packs offer an eco-friendly, efficient, and reliable cooling solution.