For no mess, easy clean-up of portable toilet waste there is nothing better than Double Doodie waste bags. The Reliance Double Doodie PLUS waste bags provide all the same benefits of the regular Double Doodie, but boast a larger holding capacity and convenient handles for transporting.Size: 16 in x 17 in. (40.6 cm x 43 cm) Weight: 1 lb 14 oz (850.5 g) Package of 6. Larger version of Double Doodie bags (with Bio-Gel). Use to line the holding tank of the new Flushable Loo. Use with portable toilets for easy, no-mess waste disposal and carry out. Use to line a standard household toilet when regular plumbing isn't available.