【Package Included】40 inch silver number 17 balloons (uninflated), 1 Pcs straw. 【High Quality Material】These silver number 17 balloons are made of thickened Grade A quality Foil material, which makes them more durable and prevents breakage. Self-sealing,just pull out the straw after the inflation is completed. These number 17 balloons with a stylish and classic appearance, bright colors and can be reused. 【Use】You can inflate it with air or helium before using it. Number balloons can stay inflated for a long time. Hanging these number balloons in the kitchen, living room, courtyard or party room and show the birthday boys or girls how much you love. Number balloons will be your perfect decorations. Let the number 17 balloons make your party a big hit and awesome. 【Ideal For】Number balloons perfect for girls boys kids & adults any birthday celebration, wedding anniversary, graduation, new years eve，special event or party celebration. Make great photo booth props. The numbe balloon is huge and makes a nice impact. Graffiti DIY on the balloon to customize it and add a fun environment for everyone. 【Customer Service】Simply fill the balloon with 80% to 90% of air to achieve the effect, please do not over-inflate.If you have any questions with the party balloons we will reply within 20 hours if not satisfied. We care about your shopping experienc,so we make sure you'll love and enjoy decorating your event with our number balloons decorations. Brand:Lovoir Silver 17 number balloons is a great way to celebrate your party special day.The number balloons is made of high-quality mylar foil material, which is shiny and durable, you can be filled with air or helium.The balloons are self-sealing, making them easy to inflate and arrange, and they come with a ribbon for easy hanging.Whether you're throwing birthday party or just want to add some festive cheer to your anniversary themed party, this red number balloons is a great choice. Every princess needs an eye-catching skirt, every party also needs a shining point, Don't you want to do something different? Let others like and imitate your party scene dress up. Balloon inflation method 1 Find the inflation opening. 2 Inflate with air pump or helium. 3 Inflation to 90% is enough. 4 Press the self-sealing tail. If there are 2 layers of aluminum foil sticky situation, must stop inflating, separate the 2 layer of aluminum foil and then inflated, or easy to damage.) Balloon deflation method 1 Prepare a straw. 2 Insert the tube through the inflation opening until you feel the gas flow out. 3 Gently press the balloon with your hand until gas is released. 4 Finally,fold and collapse it. NOTE: Do not expose foil balloons to extreme heat or they can burst. Due to the special nature of the balloon, we can not open the balloon check. The damage rate is 0.5%. Please temporarily find a tape to stick to the broken hole when urgent,and contact us for replacement order.