100% Natural Bamboo handmade specification: 100prongs, 80prongs, 72prongs, 64prongs, 48prongs Logo:customization delivery time:15-30working days packing: 1pc/tube, 25tubes/carton USAGE: 1. Moist and soften the chasen with warm water 2. Place 1 Matcha Scoop of matcha into the bowl. For Usucha, thin tea, use 2 Chashaku of Matcha. For Koicha, thick tea, use 3 to 4. 3. Pour in about 80ml hot water (72�°C / 162�°F) 4. Run and stir the whisk by writing "W" quickly under the matcha and hot water, until there are no clumps and a fine froth developed on the top (about 10-15 seconds)