Reliance Luggable Loo Seat & Cover - Already have a pail? Need to replace the seat to your existing Luggable Loo? The Luggable Loo Seat & Cover fits any standard size 5gal./19L pail converting it into a portable toilet. The seat uses a simply snap-on feature to secure itself to the pail. Toilet Seat Fits Over Most Industrial Pails 1 lb.