Silk, cotton and craft worth carrying home.

What Thai silk actually is

Thai silk is not one material. The version that made the country's reputation is hand reeled from the cocoons of native yellow silkworms, spun with deliberate irregularity, and woven on hand looms, which produces a cloth with a faint slubbed texture, a soft rather than glassy sheen, and a characteristic depth of colour that comes from the warp and weft being dyed in different shades. Held to the light it shifts colour. That shimmer is the signature and it is difficult to fake convincingly. Alongside it, Thailand produces large volumes of smooth, uniform machine reeled silk, which is a perfectly good material and a different one.

For Gulf buyers the practical distinction is between cloth for wearing and cloth for the house. Lightweight silk for scarves, linings and clothing is widely available and easily carried. The heavier furnishing weights, used for cushions, curtains and upholstery, are where Thailand is genuinely exceptional and where the value against European furnishing houses is largest. Families furnishing a majlis or a formal reception room frequently buy by the roll, which is a serious purchase and should be treated as one, with the cloth reference recorded and enough ordered in a single dye lot to finish the job.

The peacock marks, which do the verification for you

Thailand operates a national certification scheme for silk, and it is the single most useful tool a visitor has. Cloth that qualifies carries a peacock emblem in one of four colours, each denoting a different standard of production. In outline: a gold peacock denotes premium royal Thai silk produced from native silkworm varieties by traditional hand methods, a silver peacock denotes classic Thai silk to a defined traditional standard, a blue peacock denotes Thai silk more broadly, and a green peacock denotes a Thai silk blend. The marks are registered and the scheme is administered by the government sericulture authority rather than by the trade.

Treat the emblem as a starting point rather than a guarantee of taste: a blue peacock cloth may suit your purpose better than a gold one, and much excellent village weaving never enters the scheme at all. But where a shop is selling to visitors and cannot show any certification, cannot say where the cloth was woven, and cannot answer a direct question about fibre content, you are probably in a shop selling synthetic. In tourist markets, polyester woven to imitate the shimmer is extremely common and is often sold with complete confidence as silk.

Judging quality with your hands

The burn test, in which a thread is lit and silk smells of burnt hair while synthetic melts into a hard bead, is the trade's traditional check and reputable shops will perform it on request without offence. Beyond that, use your hands. Real silk warms quickly against the palm; polyester stays cool and slippery. Hand woven cloth has small, regular irregularities in the weave and a selvedge that shows the loom. The colour should shift as you turn the cloth, not merely reflect. Crumple a corner in your fist and release it: silk falls out of the crease, polyester holds a sharp wrinkle and a slight sheen where it was pressed.

• Ask for the fibre content and the weight in grams per square metre; a serious shop knows both.
• Ask where the cloth was woven and whether it is hand or machine reeled.
• Check for a peacock emblem and note which colour it is.
• For furnishing cloth, buy the full quantity in one dye lot and record the reference.
• Ask about colour fastness and cleaning before buying anything that will sit in sunlight.

Jim Thompson, and why it is the safe answer

Jim Thompson is the name every visitor hears, and it deserves its position. The company grew out of the post war revival of the Thai silk industry associated with the American businessman of that name, and it is now a large, entirely legitimate operation producing silk and furnishing fabric to an international standard, with shops in the major malls and at the airport. Prices are fixed, high by Thai standards, and honest. Quality control is real. Nothing sold there is fake. For a client who wants good silk without spending a week learning the market, it is the correct recommendation and we make it without hesitation.

The Jim Thompson House on Soi Kasemsan 2, near National Stadium station, is also one of the pleasanter mornings in Bangkok: a compound of traditional teak houses holding the founder's art collection, in a garden, with a restaurant and a shop attached. It works well as a half day for a family with elders, being shaded, flat, calm and short. Beyond that, the outlet operations sell end of line cloth and seconds at substantially lower prices, which regular visitors use for cushion and upholstery quantities.

Beyond silk: the regional weaves and the craft

The most interesting textiles in Thailand are not sold in Bangkok shops at all, they are made in the provinces and reach the city through a handful of galleries and government craft outlets. Mudmee, the Thai form of ikat, comes chiefly from the northeastern provinces, where the yarn is tie dyed before weaving so the pattern emerges blurred at the edges; Surin and its neighbours produce the finest of it. Lamphun in the north weaves brocade of real refinement. Sakon Nakhon is known for indigo dyed cotton, which has become the fashionable Thai textile of the last decade and travels beautifully. Chiang Mai and the hill communities produce hand woven cotton, embroidery and applique work.

Two institutional sources are worth knowing because they exist precisely to protect this work. The SUPPORT Foundation, established under royal patronage to sustain traditional craft in rural communities, sells through its own outlets and through museum shops. And Thailand's national craft institute, based at Bang Sai in Ayutthaya province, maintains a centre and retail operation dedicated to certified Thai craft. Both are reliable, both price fairly, and both provide the provenance that makes a textile a gift rather than a souvenir. Beyond textiles, the same channels carry celadon, benjarong porcelain, nielloware and northern silver.

Carrying cloth home

Textiles are the easiest category to bring back: light, unbreakable, rarely dutiable in small quantities and never contentious at a border. Roll rather than fold anything you care about, and ask the shop to interleave tissue. For furnishing quantities, let the shop ship it: the established houses have export departments, they will handle the paperwork, and a roll of upholstery cloth is not luggage. Ask for the commercial invoice to match what you actually paid, which sounds obvious and is the point at which some shops offer to be helpful in ways you should decline.

One caution that surprises people. Antique textiles, and religious or historic objects generally, are a different legal category from new cloth. Thailand restricts the export of antiques and of Buddha images, which require a licence from the Fine Arts Department, and this catches visitors who buy an old temple textile or a small statue in good faith at a market. If a piece is described as old, ask directly whether it requires an export licence and get the answer in writing before you pay.

Silk certification in Thailand is administered by the government sericulture authority under the Ministry of Agriculture and Cooperatives, which registers the peacock emblem marks; verify a mark with that authority or with Thailand's national craft institute if a claim looks doubtful. For anything antique, confirm export licence requirements with the Fine Arts Department, Ministry of Culture, before purchase.

This briefing is general information, not legal, tax or investment advice. Thai rules change frequently and individual cases differ. Verify current requirements with the relevant authorities, including the Immigration Bureau, the Board of Investment, the Land Department, the Department of Business Development and the Revenue Department, and take advice on your own facts before acting.