imperfect linen tissue coverstissue covers that have slight flaws ie. the opening isn't perfectly centred, there is a flaw in the linen or the size is either a bit smaller in size and therefore tighter on the box essentially they are all just a bit different and looking for a home. square 4. 75 x 4. 75 x 5. 5" 12 x 12 x 14 cm 100% linen with cotton muslin lining and reinforced opening . hand washable