Gamma Seal Lid, Black, 24 Pack - New! - Boxed! - 5 Gallon Bucket Lids (Fits 3.5, 5, 6, & 7 Gal.) Storage Container Lid Fits any standard 3.5 - 7 gallon buckets. Easy to install and use. Air and water tight Includes a free 10% - 60% humidity indicator card. Shipping included in Price // Refer to our policy prior to returns