Back to school concept. Blue stationery set on the blue background. Top view of paper pins notebook felt-tip pens eraser paper clips and pencils. Knolling. Copy space._站酷海洛_正版图片_视频_字体_音乐素材交易平台

Back to school concept. Blue stationery set on the blue background. Top view of paper pins notebook felt-tip pens eraser paper clips and pencils. Knolling. Copy space.