Abstract: A safety device for motor vehicle includes a flexible hollow annular body including an arched upper base portion, an arched lower base portion and two opposing connection portions connected between the upper and lower base portions at two opposite sides, a flexible arched upper push piece having one end thereof connected to the upper base portion and an opposite end thereof extending toward the lower base portion so that a first elastic space is defined between the body and the upper push piece, and a flexible arched lower push piece having one end thereof connected to the lower base portion and an opposite end thereof extending toward the upper base portion so that a second elastic space is defined between the body and the lower push piece.

Abstract: A safety device for motor vehicle includes a flexible hollow annular body including an arched upper base portion, an arched lower base portion and two opposing connection portions connected between the upper and lower base portions at two opposite sides, a flexible arched upper push piece having one end thereof connected to the upper base portion and an opposite end thereof extending toward the lower base portion so that a first elastic space is defined between the body and the upper push piece, and a flexible arched lower push piece having one end thereof connected to the lower base portion and an opposite end thereof extending toward the upper base portion so that a second elastic space is defined between the body and the lower push piece.

Abstract: A milk bottle nipple is mainly to train the muscles of facial expression, including orbicularis oris muscle, for infants during milk feeding. Inside the nipple body, there is flexible cup-shaped interior structure. There are a multiple number of slits on the flange of the base side for the interior structure. The link between the nipple head and nipple body has a gradient. Thus, when the infant closes lips, the lips catch the gradient and press the nipple. Besides, the interior structure is under pressure to open up the slits, so the drink inside the bottle will flow through the slits toward the nipple head.