I kept this item in storage without using it after purchase. It's a brand new, unused item that hasn't been taken out of the box. Popular item! ■ Size Chopsticks (per piece): Approximately 0.8cm wide x 0.8cm deep x 30cm high Keepers (per piece): Approximately 1.4cm wide x 1.4cm deep x 0.3cm high ■ Material Silicone (Core material: Nylon) ■ Weight: Approximately 37g ■ Heat resistance Silicone part: Approximately 220℃ Nylon part: Approximately 150℃ ■ Included: Keepers x 2 ■ Notes ※ Leaving the chopsticks in a heated frying pan or pot for an extended period may cause them to become hot and lead to burns. Do not leave them unattended for long periods. ※ When using a dishwasher, please check the dishwasher's instructions and user manual before use. - Material: Silicone, Nylon - Heat resistance: Approximately 220℃ (Silicone part), Approximately 150℃ (Nylon part)