Product Features: Crafted from high-quality PC and stainless steel, ensuring both durability and lightweight design. The cutter blade is composed of high-hardness alloy, making it simple to cut glass bottles. An excellent companion for DIY glass bottle projects. Convenient and safe to use; no additional tools are needed. Compatible with most glass bottle types, including wine and beer bottles. Instructions: Adjust the bottle cutter and position the bottle on it. Rotate the bottle once with consistent and moderate pressure, creating a cutting line on the bottle. Place rubber bands on both sides of the cutting line. Submerge the cutting line in boiling water and cold water alternately, repeating this process three times. The bottle will break along the cutting line. Smooth the cutting line using sandpaper. Specifications: Materials: PC + Stainless Steel Bottle Height: Approximately 0.8-12.6 inches (2-32cm) Cutting Diameter: Approximately 0.8-9.1 inches (2-23cm) Product Size: Approximately 7.9 x 5.9 x 2.8 inches (20 x 15 x 7.2cm) Cutting Knife Size: Approximately 1 x 0.5 x 0.2 inches (2.6 x 1.2 x 0.5cm) Notes: Please allow for slight dimensional variations due to manual measurements. The item's color may differ slightly from the images due to variations in lighting and screen settings. Package Contents: 1 x Bottle Cutter 1 x Sandpapers 1 x User Manual 1 x Screwdriver For return inquiries or questions about orders please email us at [email protected] or message us directly.