Please note, this item ships from an international seller. Expected delivery is 10-15 days. Features: It can bear 100kg, the surface is composed of numerous explosion-proof small bubbles, anti-pressure explosion-proof Convenient for customers to re-inflate, specially equipped with valve plugs, intimate handling, portable use Specification: Product size: diameter 25cm after inflation Weight: 100g (separate bag packaging) Material: PVC Inflating method: Pull out the air plug, and then insert the blown straw into the air inlet. Use the mouth to blow or the air pump. When the ball is full, quickly plug the air plug into the air inlet. Package Includes: yoga ball *1 send straw *1 Durable anti-explosion and sturdy non-slip design: Our inflatable fitness balls are made of thick anti-explosive PVC, which has excellent durability under pressure. They are designed to deflate slowly, rather than breaking when pierced. The non-slip line around the exercise ball provides excellent grip to prevent you from slipping and falling due to your weight during exercise Size and color: the diameter of the ball is 25 cm, and there are many colors Multifunctional: Designed to enhance your strength, endurance and core abilities, while promoting relaxation and coordination. It can be used for yoga, pilates, barbell and stability Simple to use: just lean on the massage ball, then use your own weight and gravity to slowly massage the shoulders, neck, back, feet, body muscles and joints to relieve muscle soreness after a day of work or housework Easily integrate into a variety of sports ranges: The fitness ball is a very versatile fitness aid that can be easily integrated into your daily exercise to challenge your core and target a range of muscle groups at the same time. Because you can sit, lie and lean on it, they are perfect for sit-ups, bridging, dumbbell exercises, yoga poses, Pilates, etc.