Amazon gives you the dimensions and weight of each product. However, they do combine boxes quite often. If you dont want boxes combined, you could stagger the orders...
Although it seems kind of odd to order patch cables out of country. Those should be cheap and easily available anywhere.
Brand Name GearIT
Item model number 6CAT6E-BLACK-10PACK
Item Weight 1.41 pounds
Product Dimensions 3 x 6.5 x 10.5 inches
Item Dimensions L x W x H 3 x 6.5 x 10.5 inches
Color Black