Thermal Blanket 2.1 × 1.6 m emergency foil blanket | 4BoatsLightweight reflective thermal blanket 2. 1 1. 6 m (6. 9 5. 2 ft) for onboard emergency heat retention; compact, water resistant and easy to stow. Reflective foil retains body heat Size 2. 1 1. 6 m (6. 9 5. 2 ft) covers one adult Lightweight construction easy to carry and stow Compact pack low storage volume Water resistant finish repels spray Reinforced edges reduced tearing Wipe clean with a damp cloth and air dry; store dry and rolled or flat