Surface Design Pvt Ltd. is based in Sri Lanka and lists crew neck and polo T‑shirts on Global Trade Plaza. The crew neck style uses a 100% cotton single‑jersey body at 160 GSM, a 1×1 rib neck with 98% cotton and 2% spandex at 220 GSM, and a contrast‑colour back piping band of the same 160 GSM cotton fabric. Heat‑transfer PU graphics are offered, and the current stock includes white fabric for 600 pieces, navy blue for 900 pieces and petrol blue for 200 pieces. The polo shirt is made from 100% polyester interlock fabric at 160 GSM and supports full‑panel sublimation printing to any design requirement. Fabric is available and the supplier states a production capacity of 10,000 pieces with a lead time of two weeks. Buyers can send an enquiry through Global Trade Plaza.