Wooden Tumbler - HibiscusThis tumbler is made from bamboo, engraved with a hand drawn design of the national flower of Malaysia the Hibiscus. Laser engraved custom batik inspired design on the bamboo wood tumbler Lined with stainless steel Includes tea strainer insert Keeps the temperature of drinks (hot or cold) for up to 4 hours Our bamboo wooden artisan tumblers hold 380 ml and measure 7 cm x 7 cm x 20 cm. We recommend hand washing with warm soapy water and leaving to air