Colour: White Material: PP Silicone Feeding Bottle Capacity: 150ML Features Ant-sliding design - Adjusted for a few times and the bottle I now anti-sliding when using it Anti-leak – Feeding bottle can be lock tightly to prevent milk leak High imitation : Baby can accept easily because it is high imitation of nipple High imitation of nipple : Baby can accept easily Product Description This Real Bubee electric breast pump(double) is made of environmental material and medical silicone so that this product can be used safely. Beside of that, this product is also design with small and light. It is same as an weight of orange. It use USB power supply, with this you may safe up the space of electric plug by using laptop or maybe power bank to turn on the pump. 3D design make massage more comfortable and the pump separate the milk and air flow to prevent milk back flow. It is multi functional as it can be used as a breast pump or feeding bottle. The bottle can be lock tightly so that it can prevent the milk from leak.