The mold is thick, a bit translucent, not much. Food Grade. Food and Non Food material should use separately. Wash and boil before use, especially for food. Easy to use mold very flexible and easy to clean, can be used in oven, dishwasher, refrigerator etc. Can be used within the temperature between -40~220 centigrade. Can be used with a wide range of edible and non edible materials. Mainly use with modelling clay(air clay, paper clay, resin clay, polyclay, polymer clay, salt clay, metal clay, liquid clay etc.), resin(epoxy resin, rethane resin, uv resin), concrete, cement, plaster, hot glue, mix media and more. Soft molds make flowerpot, succulent planter, pen holder, ashtray, bowl, soap or candle jar, jewelry container, vase, bottle, casting resin, cement clay crafts, flowers craft art, bonsai, fairy garden, desk decoration and more. Set of 6 rubber molds include geometry octagonal bowl; diamond surface round bowls, 2 small size; multi faceted cylinders 3-count. Height 0.9-2inch; finished products measures:#2515_1.57*0.9inch(4*2.3cm),#2516_1.81*1.18inch(4.6*3cm),#2517_1.57*2inch(4*5.1cm),#2518_1.53*1.88inch(3.9*4.8cm),#2519_3.18*2.16inch(8.1*5.5cm),#2520_3.51*2.19inch(8.93*5.8cm).Date First Available: June 17, 2019. Best Sellers Rank: #47,867 in Arts, Crafts & Sewing. Customer Reviews: 4.0 4.0 out of 5 stars 47 ratings 4.0 out of 5 stars. Item model number: 2515-2520. : B07T69C8ND. Manufacturer: FUNSHOWCASE. Item Weight: 8.6 ounces. Product Dimensions: 3.2 x 3.2 x 0.9 inches. Number of Pieces: 6. Shape: Geometric. Item Dimensions LxWxH: 3.2 x 3.2 x 0.9 inches. Brand: FUNSHOWCASE. Color: Octagon & Round Bowl 2-count. Material: Rubber.