The dimensions of the 8oz. Mini Stainless Steel Airtight Brush Cleaner with 2 Latch Locking System are 3.75" H x 3" W. The dimensions of the 20oz. Stainless Steel Airtight Brush Cleaner with 3 Latch Locking System are 4.75" H x 3.75" W. Both offer no rusting with water contact. Removable straining inserts extend paint thinner use. Safe and convenient for travel.