Definitely that it is this bottle pump head features that allow you to control the amount used by each person, thus reducing waste, spills, and leaks. A great helper in the kitchen, this oyster sauce bottle squeezer can be a great helper because of the design with a handle and a push press, and it is very practical to prevent the oyster sauce from spoiling because of the sealed design. It is constructed of pp material. This product has 2 different sizes for you to choose from S and L. This bottle pump is suitable for kitchen, restaurant, home, etc. Item Name: Pump Head Material: PP Feature: Accurate Quantification, Labor-saving, Food Grade Size Details: S: 20cm x 7.9cm x 3.4cm/7.87" x 3.11" x 1.34" (Approx.) L: 20cm x 7.9cm x 3.7cm/7.87" x 3.11" x 1.46" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Pump Head