About this item 【Faster Foaming Better Shaping】：Quickly foams and wraps according to the shape of the product,make it ultra safe while shipping.Expanding Foam Bag is the first choice of cushioning protection packaging for shaped fragile goods,virtually eliminate shipping damage. 【Pack of 40】: #40 Product dimension : 18"x22"; Recommended for Box Size 12"x12"12". 【Convenient 】: Light weight carry in pocket,takes up little space ,save space in warehouse storage and is completely mobile so you can use it anywhere. 【Easy to Use】: Squeeze on the “A” symbol of the bag to break the seal.Mix the components by firmly patting back and forth 10-20 times on the “A” and “B” symbols.Quickly place the expanding bag of foam into the box and nestle the product into the rising foam,then will get a cushion foam perfectly match your product in seconds. 【100% Satisfaction Service】: If you have any questions, please feel free to contact us, we will always be committed to providing our customers with better products and quality service! › See more product details