Amazon has 12-Oz Rust-Oleum Stops Rust Satin Protective Enamel Spray Paint (Satin Dark Brown, 241239) on sale for $2.97. Shipping is free w/ Prime or on $35+ orders.

Note: Usually ships in 2 to 4 weeks.

About this product:

• Weather and corrosion resistant coating protects exterior/interior surfaces like wood, metal, concrete, masonry and more
• Oil-based formula provides a durable protective coating with excellent rust prevention
• Dries to touch in 2-4 hours and covers up to 15 sq. ft.
• Excellent resistance to abrasion, fading and chipping
• Satin finish offers a low-sheen look
• Superior smooth finish
• Excellent chip resistance and color retention
• Long lasting protection