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Kentucky Derby Party Supplies Milwaukee WI
Birthday Party Supplies Waukesha WI

Birthday Headquarters

We've got your birthday party covered! Whether it's accessories or decorations from your child’s favorite movie, Bartz’s is your one-stop-shop! learn more »

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Bartz’s Party Supplies & Party Decorations Online

Welcome to Bartz’s, The Party Store. We have four locations throughout southeastern Wisconsin to provide party supplies, balloons, and costumes to customers in Milwaukee, WI, Waukesha, WI, and the surrounding areas. Now through our online store, we are able to provide the best party supplies at the best prices with the convenience of online ordering and home delivery.

Bartz’s is your one stop shop for party decorations, costumes, and theme party supplies. Since its beginning in 1947, family-owned Bartz’s, The Party Store, has grown from one store arranging displays for business events and retailers. We are now serving Wisconsin with four great party supplies stores and the world with great party decorations online. Bartz’s sells costumes and provides customers with an extensive array of party supplies for any occasion. We have absolutely everything you need for your theme party or celebration and our extensive selection can’t be beat.

Kids’ party decorations from Bartz’s will delight all the kids who attend your special event, and you can even find everything you need for your next party without leaving your home. Ordering party decorations online from Bartz’s party supplies store makes hosting any party convenient and gives you more time to truly enjoy yourself.

Bartz’s has theme party supplies has your party covered from top to bottom from colorful tableware to costumes and supplies for all occasions like holidays, weddings, birthdays, anniversaries and more. Browsing through Bartz’s discount party store will provide you with quality party supplies at discount prices so you can save time and money to truly enjoy yourself. We offer free shipping for orders over $60.00 on qualifying products and ship quickly so we can even help you with your last minute plans. Shop now to take advantage of our great deals.