WOGOD Professional Rosin Set (50 Pcs) - for Violin/Viola/Cello/Double Bass/Erhu | Non-Slip, Rich Tone, Low-Dust, Durable

Product Details: Composition: 100% Natural Pine Resin (Chemical-Free) Net Weight: 35g2g (Standard Size) Eco-Packaging: Recyclable Paper Box with Biodegradable Liner Applications: String Instruments, Dance Shoe Grip, Archery Bow Maintenance Usage Guide: Lightly sand rosin surface with 400-grit paper before initial use Apply at 30 angle with moderate bow tension using 3-5 steady strokes Wipe strings with microfiber cloth after playing to remove excess residue