Wales open up against Thailand at midday on Saturday, following with Scotland three hours later and then have a four-hour gap before playing against the Springboks.
On April 27 and 28 Wales will compete in the Malaysia Sevens in a pool containing New Zealand, Canada and Malaysia.
The current squad:
Club: Newport Position: Flanker Birthplace: Carmarthen Born: 29.10.80 Height: 6'0''/1.82m Weight: 15st 0lb/95kg IRB 7s Experience: Middlesex 7s, Brisbane, Wellington, Beijing, Hong Kong
Club:Llanelli Position: Flanker Birth: 5/9/81 Born: Carmarthen Height: 6'2''/1.87m Weight: 15st 2lb/96kg First International Debut: 1998 against England U16's at Twickenham.Other International Experience: Represented Wales at U16, U18, U19, U21 IRB 7s experience: Hong Kong 7s 2001 Career Highlights: Playing in the Hong Kong 7s 2001
Club: Newport Position: No8 Birth: 19/08/81 Born: Bridgend Height: 6'3''/1.90m Weight: 14st 3lbs/90kg International Experience: Represented Wales U18, U19, U21
Club: Llanelli Position: Scrum Half Birth: 29/8/82 Born: Carmarthen Height: 6'6''/1.90m Weight: 13st 5lbs/85kg First International Debut: Wales U21 against France U21 2002 Other International Experience: Wales U21s, Triple Crown 2002 IRB 7s experience: Argentina/ Chile
Career highlights: Winning the Triple Crown with Wales U21
Club: Swansea Position: Full Back Birth: 07/01/82 Born: Neath
Height: 6'2''/1.87m Weight: 13st 5lbs/85kg First International debut: Wales Youth U18 Other International Experience: Represented Wales U19, U21
Career highlight: winning Triple Crown with Wales U21
Club: Ebbw Vale Position: Wing Birth: 21/12/79 Born: Newport, South Wales Height: 6'1''/ 1.85m Weight: 13st 12lbs/88kg International Experience: Welsh Schools and Youth U18 and U19, Represented Wales U19 (part of FIRA squad) and U21
Club: London Wasps Position: Outside half Birth: 21/3/81
Born: Carmarthen Height: 6ft/1.83m
Weight: 14st/89kg International Experience: Represented Wales U18, U19, U21 Career highlight: Winning BUSA Cup
Club: Cardiff/Rumney Position: Centre Born: Cardiff
Birth: 20/11/80 Height: 6ft 2''/1.88m
Weight: 86kg/13st 10lb International debut: Durban 7s IRB 7s experience: Dubai, Chile, Argentina Career highlights: All the 7s tournament and WRU Youth Final
Position: Full Back/Wing Birthplace: Wales Born: 10.10.78 Height: 1.78m Weight: 80kg IRB 7s Experience: Cwmtawe 7s, Dubai, Durban, Chile, Argentina, Australia, New Zealand, China and Hong Kong
Club: Cardiff Born: U.A.E
Height: 1.92m/6'4'' Position: Wing
Birth: 12/12/81 Weight: 90kg/14st 0lb
First International Debut: Welsh U18
Other International Experience: Wales U21 IRB 7s experience: Argentina/Chile
Career highlights: Winning Triple Crown with the U21
Sam Cross and Luke Treharne have been named as co-captains of the Wales Sevens side as head coach Gareth Williams names his 12-man squad to play in the first leg of the HSBC World Series in Dubai next weekend.
Bedwas head coach Steve Law and players Nicky Griffiths and Alun Rees extol the virtues of the close knit club as they prepare to host third place RGC 1404 - who are one place head of them on the Principality Premiership points table - on Saturday.
Many of the Wales squad have said Diolch (thank you) to someone who played an important part in their early playing days by nominating them to be invited to the Wales v South Africa match. One person, Gowerton Comprehensive geography teacher Mr Dean Mason was nominated by two of his former pupils, Dan Biggar and Sam Davies.
The second WRU disability rugby pilot has been delivered, this time in Caerphilly schools, culminating in a festival at the Caerphilly Centre of Sporting Excellence, Ystrad Mynach tomorrow. Plans are in place to set up a Disability Rugby Club in Newbridge to provide long-term playing opportunities.
WRU TV: Hear from inside the Wales camp as Neil Jenkins discusses this weekend's clash with South Africa and how the squad are looking to put in a strong performance to round of the 2016 Under Armour Series