BURN, CLEAN, REFILL, REPEAT! This is how simple it works! These candle refills are made for concrete vessels you already have, which left over from burned round concrete candles. By purchasing candle insert you save nature, money & reduce consumerism. Candle vessels can be used many times to accomplish its purpose & you can try out all the different scents on offer & find out which one you like the most! IMPORTANT: ! Candle refill sells without a vessel. ! This candle refill is suitable for several candle vessel models. You can find original candles with vessels (for which these refills are suitable) here: 1) https://www.etsy.com/listing/1218503442/concrete-soy-candles-pastel-candles-with?click_key=c201bf216675a370699a981257f24390f5b525c4%3A1218503442&click_sum=05dd203f&ref=shop_home_active_12&frs=1 2) https://www.etsy.com/listing/1431192370/drip-concrete-candles-fun-melting?click_key=839320c0635b951d66f2c0189d2cb89a2bd3cf51%3A1431192370&click_sum=ec058084&ref=shop_home_feat_2&pro=1&sts=1 3) https://www.etsy.com/listing/1701700778/round-concrete-candle-aesthetic-candle?click_key=038bd3ed86a8f74144854203ffc6c52eb2b0c98a%3A1701700778&click_sum=b6a5d101&ref=shop_home_active_31&sts=1 Instruction: Remove the remaining metal wooden wick holder from the bottom of the existing concrete vessel, remove the wax residue, wash the vessel with warm water & soap & let it dry. When the vessel is dry, add the candle refill. Product details: diameter - 6 cm (2.4 inches) height ~ 4.5 cm (1.8 inches) Wooden wick Natural soy wax product Free of phthalates, parabens, suitable for vegans Candle weight ~ 107 g. (3,8 oz) Burning time ~ 22 hours. All our products are handmade, so the result is unique every time. The look of the candle refill may be slightly different from the photo. If you have any questions please contact us, we will be happy to help you! Round 4 Oz Scented Candle Jar Refill, Empty Insert, Sustainable Pillar Soy Wax Vessel Refill Available in Different Scents