Double Sit On Top Kayak 1.Model:KY--002 2.Material:HDPE or LLDPE 3. ... on hull4.this double kayak,it's designed to 1,2 or 3 persons,it's best choice for family use Options1.Sit on top ... large and complex roational moulding plastic goods.Mainly in plastic kayak,and we have many years experience in rotational moulding,manufacturing ... you! E-mail us,or call +86-574-63779518( T kayak)