Player get out from box colliders

I made a field and surrounded him with a box Colliders and the player got the same box collider I rigidbody2d how would not have to go off the court and now I select all items from the scene in order to resize it to be larger because we need a dialogue happening to me now that player breaks through the box collider that comes out of this is happening because I increased the speed player.What should do that players do not get out?