From the specification,I think you are inquiry the weight of pneumatic fenders size 6'×12'.
The weight is between 405Kg to 650Kg.There are many manufacturers of pneumatic fender in the world.The weight of fender produce by each manufacturer is different.
72.
6x12
The product is 72
72
6 multiplied by 12 is 72.
If the 6x12 tiles are in inches, it will take two of them to cover a square foot. You will need 210 of them.
1x72 2x36 3x24 4x18 6x12 8x9
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it would be 36 times two
It is 6x12 + 1x8 + 2x16= 72+8+ 32 = 112 g
24 of them.
72 legs. One beetle has 6 legs. 6x12=72