Features: Made from qualified plastic, hardness and durable enough. The base is hollow and can be injected with water or sand to increase weight for stability. Can be recycled for many times. Perfect for wedding, birthday, parties, dance and other best decoration. Also suitable for holiday, anniversary, the company opened, celebrations, etc. Descriptions: 2cm mounting hole is suitable for most balloon columns. Easy to use without further instruction. Comes with 1.2m upright column, it is cost-effective. Specifications: Base: plastic Balloon column: PVC, crystal Size of base: 23x3cm Balloon Column: 1.2m Base color: white, pink, gray Package included: 1 x Base Stand 1 x Upright Column (There are two types, PVC and crystal. Please choose carefully. Thanks!) Notes: 1.Due to the difference between different monitors,the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. 2.Due to the manual measurement and different measurement methods, please allow 1-3cm deviation.Thanks!