Thumb Finger Picks Plectrum With Plastic Picks Case, 1 Dozen (3 Pairs) SUNLP Product Description SUNLP Thumb and Finger Picks Plectrum is used as Mandolin picks, Banjo picks, Guitar nails? The color of Durable and Size Adjustable Thumb and Finger Picks are mix. NOTE: The Color will be chosen randomly,and picks color may not be same with image. Package: 3 pairs (3pcs thumb picks + 9pcs finger picks) +8pcs 0.46mm (soft) guitar picks with reinforced plastic picks case which possess the advantages of easy carrying, tight packing and space saving and convenient to access. Material of our picks have good heat distortion, you can adjust size as you need. IMPORTANT: HOW TO ADJUST SIZE ACCORDING TO YOUR FINGER? STEP 1: Use boiled water to soak finger picks for a moment. STEP 2: If it is too big, tighten it with a rubber band, use something larger to stretch it if you feel it is toosmall. STEP 3: Use a hair drier to blow it with hot air for a while. STEP 4: Take it off after cooling then you can shape the size of it. STEP 5: Start Playing!