Features: This double-sided metal recording tape is made of quality materials and can provide clear, high fidelity sound effects. Can record for 50 minutes, you can use it to record voice, music, and other sounds that need to be recorded to meet your diverse recording needs. The blank cassette tape adopts a metal small opening design, which is practical, durable, and has a long service life. This tape has a double sided recording function and can be recorded on both sides, you can effectively utilize the storage space of tape. Convenient to carry, small in size, light in weight, and convenient to carry, whether it's business travel, travel, or daily outings, you can carry and record anywhere. Widely compatible and suitable for most recording devices and players. Specifications: Material: ABS+Metal Color: 6 colors optional, refer to pictures to select please Size: refer to pictures Package Includes: 1 Piece Blank Recording Tape note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.