They are ensuring that this year's Fifa Confed Cup will be the bomb.
The Euro 2008 champions are at full-strength for the showpiece, bar Villarreal midfielder Marcos Senna, who is nursing a hamstring injury.
David Villa, Andres Iniesta and Gerard Pique have all been included in the 23-man set-up despite reportedly struggling with niggles.
La Roja are in the same group as hosts South Africa along with minnows Iraq and New Zealand. Del Bosque's men are favourites to win the eight-team tournament, despite the presence of world champions Italy and giants Brazil.
The squad in full:
Goalkeepers: Iker Casillas (Real Madrid), Pepe Reina (Liverpool), Diego Lopez (Villarreal).
Defenders: Raul Albiol (Valencia), Alvaro Arbeloa (Liverpool), Joan Capdevila (Villarreal), Carlos Marchena (Valencia), Gerard Pique (Barcelona), Carles Puyol (Barcelona) Sergio Ramos (Real Madrid).
Midfielders: Xabi Alonso (Liverpool), Sergio Busquets (Barcelona), Santi Cazorla (Villarreal), Cesc Fabregas (Arsenal), Xavi (Barcelona), Andres Iniesta (Barcelona), David Silva (Valencia), Juan Mata (Valencia), Albert Riera (Liverpool).
Forwards: David Villa (Valencia), Daniel Guiza (Fenerbahce), Fernando Torres (Liverpool), Fernando Llorente (Athletic Bilbao).