The national team management held a series of trials in Rarotonga, New Zealand and Australia to select the squad.
The squad has six Rarotonga, Australia and New Zealand-based players each.
The Rarotonga-based players include veteran Luciana Nicholas, Alanna Smith, Elena Mataora, Daimzel Rongokea, Natalia Short and Phillipa Smith.
The team also has five players who are part of the national Under-21 team preparing for the Netball World Youth Championship to be held in Botswana next month.
In a statement, the board of Netball Cook Islands, in conjunction with national coach Dale Atkinson and manager Mandy Souchon said they were pleased to announce the 18-member Cook Islands Black Pearls squad.
“Thank you to all those that trialed in the various centres, the coach will be in touch with all of you in due course,” the statement said.
“The team will travel to Singapore in December for the Nations Cup and our aim is to improve our ranking and qualify for the World Cup in 2019.”
The Nations Cup is an annual netball competition organised by Netball Singapore.
The cup was first held in 2006 and featured Papua New Guinea, Scotland and Canada.
Cook Islands is set to make its debut in this annual event.
Alanna Smith (Rarotonga), Ana Salanoa (Australia), Ashleigh Iro (New Zealand), Chantelle Tikitau (Australia) *, Daimzel Rongokea (Rarotonga) *, Elena Mataora (Rarotonga), Ernestina Bonsu-Maro (New Zealand), Eri Te-Ana Short (New Zealand), Jasmin Forbes-James (Australia), Kathleen Tuaputa-Nahora (New Zealand), Leah Pue (Australia), Luciana Nicholas (Rarotonga), Moana Glassie (Australia)*, Natalia Short (Rarotonga), Nina-Tai Roberts (New Zealand)*, Pauline Glassie (Australia), Phillipa Smith (Rarotonga), Rochelle Teiri (New Zealand) *. * Denotes current Cook Islands U21 squad.