We use natural non-toxic rubber to manufacture these products and the manufacturing process is more complicated. They are manufactured by hand made entirely. The features are: they have good flexibility and strong wearability; it is very comfortable to wear and they are 100% waterproof. The patterns on the surface, the colors and the height of the boots can be changed according to the requirements. Besides, we can change the surface of boots to be bright, semigloss, matt and light extinction. These products are widely used in various fields, such as family agriculture, fishing, mining, etc. It is an ideal and practical protective product.Generally the sizes are 36-42 (the USA sizes are 4-10), the weight of the boots is about 1.3KGS to 1.5KGS/pair. The colors on the surface and the logo can be manufactured according to your requirements. Package: one pair of boots in one polybag; 10 to 15 pairs of boots in one outside carton. Of course, we also can package them according to your requirements. The price is confirmed according to your actual products and manufacturing requirements. Our MOQ is 1500 pairs each style (they must be same styles, but can be different sizes).