Solid smooth round plastic screw caps with standard internal thread, available in white and yellow for immediate delivery. The tight thread connection effectively prevents liquid leakage and dust contamination to keep contents fresh. Flat blank top provides great space for silk screen printing or label stickers with your brand logo. Widely compatible with cream jars, food storage bottles and candle glass vessels. Bulk orders from cosmetic factories, food manufacturers and candle brands are welcome, custom color matching service is available for large quantity orders.