VT Logic Cork Board – Aluminum Trim – 4 x 6 – Eco-friendly VT Logic natural cork surface is featured with Aluminum Trim for a traditional and economical board. Cradle to Cradle CertifiedCM – Silver, GREENGUARD Indoor Air Quality Certified and GREENGUARD Children & Schools CertifiedSM. Certified boards incorporate material healthfulness, material reutilization, renewable energy use, water stewardship and social responsibility. Completely recyclable surface is bonded to insulation board for superb tack-holding ability.