These are 3mm flat-back resin half pearl gems. They are perfect for nail art, cellphone accessories, jewelry designs, slime, & shaker mold/resin embellishments. You will get one one jar approx. 3.5 grams. Small Jar: dimensions approx 1.2x0.6 inch / Inner - h (0.46 in) w (0.97 in) - 3.5 Grams (approx. 300+ pieces) There may be slight variations in piece quantities due to differing weights in pigments used. Please keep away from children, choking hazard. 1 Container 3mm Resin Micro Flat-Backed Pearls, Gem Nail Art Cabochons, Manicure Decoration Gems, Half Pearl Shaker Bits