Materials and Specifications: This Set Includes Four Sizes of Embroidery Frames to Meet Diverse Needs; The Specific Sizes Include Approximately 3.5 Inches (Equivalent to 9 Cm), 4.7 Inches (Equivalent to 12 Cm), 6.2 Inches (Equivalent to 16 Cm) and 8 Inches (Equivalent to 20 Cm), and Comes with 16 Gold-Eye Embroidery Needles to Ensure The Smooth Progress of The Embroidery Process Practical Performance: This Product Is Specially Designed for Sewing and Embroidery, Effectively Preventing Fabrics from Shifting and Sliding. Its Bamboo Embroidery Frame Is Lightweight and Easy to Operate, Especially Suitable for Beginners, and Is Also The Preferred Frame for Embroidery Enthusiasts to Display Their Masterpieces High-Quality Surface Treatment: Say Goodbye to The Trouble of Fabric Thorns and The Risk of Hand Scratches. The Edges of This Embroidery Hoop Are Finely Polished to Present An Elegant Luster, Showing Extreme Gentleness and Care for Both Users and Fabrics Instructions For Use: First Loosen The Outer Screw, Then Place The Fabric Properly Between The Inner and Outer Rings, and Finally Secure The Fabric By Tightening The Metal Screw to Complete The Operation Multi-Purpose Design: This Round Bamboo Cross Stitch Frame Is Not Limited to Embroidery Creation, But Can Also Be Flexibly Applied to Various Round Handicraft Projects. You Can Use Your Creativity to Weave It Into A Dreamy Dream Catcher, Hang It on The Wall As A Decoration, or Create A Unique Handmade Gift By Hand and Give It to Your Best Friends to Convey Your Thoughts