Nothing at all. There are only two dimensions therefore it is a plane figure and has no mass.
It depends on what type of card and how large it is.
60 cards might weigh about 3.5oz, but you can always take the card to the local post office to weigh card or cards. 1 card could weigh about .058oz. maybe, best to weigh at Post Office though.
4.73 grams
Most greeting cards weigh approximately 30 grams. This, of course, can vary depending on the type of card, such as a greeting card that comes with music.
A birthday card is a greeting card given to someone to celebrate his or her birthday.
Usually 1 oz. or less.
1-2 grams '-'
about .048 ounces
on average, 0.00326 lbs, or 0.05216 oz.
Whatever price you put in. There is no main price.
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