An insulated outdoor faucet cover made from foam (polystyrene or polyethylene) designed to protect spigots from freezing temperatures. The grey version is typically a soft foam shell that slips over the faucet and seals against the wall, trapping warmer air and blocking cold wind.

It’s a simple, low-cost way to reduce the risk of frozen or burst pipes during winter.

• Foam insulation traps heat and blocks cold air
• Fits standard outdoor faucets (hose bibs)
• Helps prevent freezing, cracking, and pipe bursts