pocket-size; pocket-sized
Describes something small enough to fit in a pocket; often used for books, gadgets, and travel items.
この辞書はポケットサイズで持ち運びに便利だ。
This dictionary is pocket-size and convenient to carry around.
I always carry a pocket-size notebook with me.
A pocket-sized dictionary is handy for traveling.
They made this camera pocket-sized in the new model.