SAFE MATERIAL: This carbonated cup holder is made of high quality PVC plastic, which is eco-friendly, durable and reusable. The seams are tight, do not wobble, and are stable on the water. Lightweight and portable: The cup holder is compact and lightweight before inflation, saving space, you can take it anywhere. So if you want to use them, you can put them anywhere in your wallet and fill them with air. VERSATILE: Suitable for plastic cups, cans and glasses, it's the perfect addition for carnivals, gardens , beaches or theme nights. Perfect for water games, pool parties and pool decoration. swimming pool.PERFECT GIFT: The inflatable cup holder is a great summer gift for swimmers, parents, friends or colleagues. It's perfect for beach vacations and pool parties or any summer outdoor activity.