The following example for the product specifications,the company-Pacific Marine,according to the specfic needs of customers to build:

Model	Overall length	Overall width	Tube diameter	Chamber	boat weight	Max power	Max Capacity	Max load
	cm	cm	cm		kg	hp	person	kg
PSD-230	230	130	35	3+1	42	6	1.5	405
PSD-270	270	153	41.5	3+1	47	8	3	480
PSD-300	300	153	41.5	3+1	55	10	3.5	500
PSD-330	330	153	41.5	3+1	60	15	4	620
PSD-360	360	170	45	3+1	72	20	5	700