Howard elliott patio seascape moss no tip block ottoman patio seascape moss ottoman belongs to no tip block collection by howard elliott the no-tip block is constructed with a dense light-weight foam and then topped off by a soft, high quality foam making it sturdy yet comfortable. Its unique design allows weight to be distributed evenly keeping it from tipping like most foam ottomans. Another bonus this piece is covered in an indoor/outdoor cover made of sunbrella brand fabric so you can take it outside. Ottoman 1.