Securely fixed: This 5-piece rubber pick holder is securely fixed between the 3rd and 4th strings, which can hold the picks in place during playing without slipping. Multi-instrument: This pick holder is designed for guitar, bass, ukulele, banjo and mandolin, and can be universally used with most string instruments. Sturdy construction: Made of non-slip rubber material, the pick holder can withstand vigorous strumming and picking without cracking or breaking. Easy installation: No tools are required for installation - just stretch it over the strings in seconds, and you can play anytime, anywhere. Keep the picks within reach: No more searching for picks! This pick holder keeps the picks neatly arranged and within reach, so you will never lose them when performing or practicing. [Space Memory Foam]: The office chair cushion adopts astronaut technology material, which was born in NASA, the National Aeronautics and Space Administration. The chair cushion has high density and good elasticity. Space Pressure-Memory Foam adapts to fit the curve of the body, and the memory foam molecules will deform when subjected to external pressure to protect the hips. .[High-end luxury design]: The office desk and chair seat cushion is arc-shaped and fits the ergonomic design, with a streamlined arc design. The leg support area is slightly lower than the sides, which is comfortable to wrap and fits in an arc shape. The seat cushion has a 3-6 second slow rebound memory foam, which plastically protects the buttocks and coccyx. .[Natural bamboo charcoal factor]: Bamboo from the 10-year-old bamboo producing area in the south, memory foam containing bamboo carbon factor, soft and comfortable, antibacterial and anti-mite. The chair cushion is skin-friendly and breathable, and does not pill for a long time. .[Multiple scene use]: Office chair cushion developed for people who sit for a long time. The seat cushion that relieves coccyx pain is very suitable for office chairs, game chairs, dining chairs, wheelchairs, and car cushions. Office gifts for women. [Relieve hip pain]: The coccyx pillow for sitting can improve blood circulation. The office chair cushion can effectively relieve back pain, low back pain, sciatica and other problems caused by sitting for a long time.