Brunton fuel bottles are made from hardened aluminum and epoxy coated. These flasks are suitable for any liquid fuel including alcohol. We’ve pressure tested these bottles for high performance use and storage, and they passed with ease. These bottles feature leak-proof bottle caps with caribiner loop attachments and pouring holes for controlled filling. Features: - Hardened and coated 0.6 aluminum bottle - Suitable for any liquid fuel including alcohol - Pressure tested and suitable for use with high performance pump units - Leak proof bottle cap with pouring holes for controlled filling - Recommended accessory: filling funnel