High Elastic Rubber Material: - The rubber band is made of high-quality rubber, safe and environmentally friendly, non-toxic and tasteless, with high elasticity and stretchability. The 11.5mm thick rubber material is not easy to break and can be reused for a long time. Wide Elastic Set: - The circumference of the black elastic band is about 380-400mm, the width is about 1cm, and the thickness is 1.5mm. These elastic rubber bands can be pulled to the desired length. The set contains 35 large black elastic bands, which is enough for your daily needs. Easy to Use: - The thick black rubber band is very easy to use and has good fixation. When tying items, it can resist low temperatures, does not turn yellow, and leaves no marks on the item, ensuring the safety of large items. Applicable Occasions: - You can use these sturdy elastic bands in crafts, harnesses and any other everyday use. They can also be used in offices, homes, schools and other occasions. They are an ideal choice for organizing and grouping items.