The product is a good product. Our company has researched products for many years.Suitable for every family member.After-sales guarantee: One-year quality guarantee.Damage during use is not caused by human factors, we will arrange after-sales. High-quality material: The foot measuring device is made of ABS which is light, strong and environmentally friendly. We are made from brand new raw materials, environmentally friendly and healthy, not made from recycled materials. Durable, waterproof, dirt-resistant, not easily damaged, and has a long service life. As the child grows along the way, always measure the length of the foot and buy the right shoes. Accurate measurement: Our size is the result of a 70-year-old craftsman combining years of shoemaking experience and big data.Even if there is an error, it is very small, when you need to know the foot length and shoe size, give you a reliable reference. Applicable people: Comes with American shoe size and corresponding centimeter ruler, good visibility, easy to read. Suitable for men, women, teenagers, infants. The measurement range is wide and the measurement is accurate, giving you and your family a reference data when choosing shoes. Simple and convenient, easy to store and carry, saving time. Simple operation: barefoot, put the ruler on a flat surface, put the foot in the shape of the ruler, the heel is close to the rear of the ruler, the toes are straight and flat, move the front measurement board to the toe, tightly paste. Read the data. You will get the length of the foot and the size of the corresponding shoe.Frame Material: Plastic. Style: Minimalism. Material: Plastic. Color: black. Brand: Smarthu. Date First Available: July 8, 2020. Best Sellers Rank: #655,556 in Clothing, Shoes & Jewelry. Customer Reviews: 3.6 out of 5 stars 18 ratings 3.6 out of 5 stars. : B08CXZNRXG. Batteries Required?: ?No. Batteries Included?: ?No. Size: ?13.88*4.33inch. Product Dimensions: ?13.38 x 4.33 x 1.33 inches. Item Weight: ?0.32 ounces. Manufacturer: ?huote. Item Weight: ?0.02 Pounds. Assembly Required: ?No. Frame Material: ?Plastic. Style: ?Minimalism. Material: ?Plastic. Color: ?black. Brand: ?Smarthu.