CEYLON. Vacuum insulated thermos 450 mL - Double-wall vacuum-insulated thermos made of bamboo and stainless steel. The bottle has a capacity of up to 450 mL and keeps drinks hot for 12 hours and cold for 24 hours. Supplied in a kraft paper gift box - Double wall vacuum insulated bamboo and stainless steel thermos. The bottle has a capacity of up to 450 mL and keeps drinks hot for 12 hours and cold for 24 hours. Delivered in a kraft paper gift box. ø63 x 251 mm