Happy Everything Natural Rainbow Birthday Party Cups. Celebrate anything and everything with these pastel Happy Everything Birthday Party Cups in rainbow colors! Each pack contains 8 rainbow Happy Everything paper cups. Use our beautiful Happy Everything paper cups at your next party to jazz up your party tableware. The unique pastel design has gold colored elements to add some sparkle to your rainbow party! Use it with matching pastel rainbow plates to create the perfect party setup! Ideal for any type of celebration. Each pack contains: 8 x party cups. Each cup holds 9 oz and measures: 7.5 cm (W) x 9 cm (H).