In English, to designate a set of similar things, we can use « a pair of » or » a packet of ».
A pair of
We use » a pair of » when two things look the same or are the same size and are meant to be used together. Therefore, the noun after « a pair of » is always plural.
Examples : a pair of baskets, a pair of glasses, a pair of gloves
A packet of
We use « a packet of » when we want to talk about a thing containing several similar things inside.The noun after “ a packet of” is also always in plural.
Examples: a packet of crisps, a packet of biscuits, a packet of sweets.
