and solid: It's very , but not flimsy or bendable. It has a solid construction that seems reliable. Craft Rings Material: these hoops are made of sturdy metal in silver color with a smooth , 3 mm in thickness, they are not easily be deformed Different Purpose: these metal rings are ideal for making dream catchers, macrame creations, spirit , plant hangers, and other projects DIY Handmade Supplication: you can use some colorful wires wrapped around rings to change the exterior color, thus they can match different styles of decorations Compatible with Diverse Materials: you can cover with fabric, cotton string, ribbon, or lace for curtain ringer, frame your handwork projects, and display them as art, home decor items Crafts metal rings allow you to make centerpieces by wrapping with colorful strings as you like or gluing flowers around the ring. Wide usage: A nice silver tone metal ring can be applied to make a nice wand by combining them with a branch or metal stick. They can also be entangled with twine to make a wall hanging decoration. Make a DIY baby mobile decoration with some paper cutouts and twine string. note:Pointed items are included, please be careful when using, and please keep them away from kids. Colour:Silver Material:iron Specification:40PCS Package Contents: 40PCS x Iron ring(8 per size: 5/7.5/10/13/15cm) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.