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Results found in several dictionaries: Collins, Collaborative Dictionary
pocket-sized , pocket-size 
  adj 
[book, computer] 
au format de poche 
... a handy pocket-sized reference book.   

Collaborative Dictionary     English-French
in pocket-size adj. en format de poche Reverso General Dictionary 
! short jenny n. in off at billiards in middle pocket, jenny is pet for janet question;... 
pocket format n. le format de poche Reverso General Dictionary 
vest pocket n. la poche de gilet Reverso General Dictionary 
in pocket format adj. en format de poche Reverso General Dictionary 
small-sized exp. de petite taille Reverso General Dictionary 
large-sized exp. de grande taille Reverso General Dictionary 
normal-sized exp. de taille normale Reverso General Dictionary 
small and medium-sized business n. la PME Reverso General Dictionary 
small and medium-sized businesses n. les PME Reverso General Dictionary 
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'pocket-sized' also found in translations in French-English dictionary
de très petite taille exp. 1) very small-sized, 2) very small-sized, 3) very small-sized, 4) very small Reverso General Dictionary 
grand comme un mouchoir de poche exp. the size of a pocket handkerchief Reverso General Dictionary 
grande comme un mouchoir de poche exp. the size of a pocket handkerchief Reverso General Dictionary 
PME-PMI n. 1) small and medium-sized business (f), 2) small and medium-sized businesses (pl.f.) Reverso General Dictionary 
de grande taille exp. 1) large-sized, 2) tall Reverso General Dictionary 
calculette de poche nm. pocket calculator Reverso General Dictionary 
de taille normale exp. 1) normal-sized, 2) of normal height Reverso General Dictionary 
hélicoptère de poche pref. pocket helicopter Reverso General Dictionary 
mouchoir de poche pref. pocket handkerchief Reverso General Dictionary 
ville moyenne nm. mid-sized city Reverso General Dictionary 
de taille moyenne exp. 1) medium-sized, 2) of medium height Reverso General Dictionary 
petite et moyenne entreprise nm. small and medium-sized firm Reverso General Dictionary 
petite et moyenne industrie nm. small and medium-sized industry Reverso General Dictionary 

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