Glowing Jellyfish, 6pcs Aquarium Glowing Jellyfish Decoration Aquarium Ornament Decorations for Fish Tank Decorations Glowing jellyfish aquarium decorations fish tank decorationsFthe material is soft silicone,one package includes 6pcs.Color: Red, yellow, green, blue, orange, purple It can be used in the fish tank for a long term and the height can be adjusted freely.Floating freely and graceful, an ideal decoration for the fish tank and aquarium. The fixed line and suction cups are separated,you need to make a knot before using. Please note: This simulate jellyfish is not a luminous type,it can't be self-luminous in dark environment.It needs to cooperate with the aquarium light.These pictures are taken under the irradiation of blue & white lights, we recommend blue & white light, blue light or purple light to get better effect. Glowing jellyfish aquarium decorations fish tank accessoriesFSize: L 15 x W 5 cm / L 5.9" x W 1.9" Thisartificialjellyfishismadeofenvironmentallyfriendlymaterials,soitwillnothaveanyinfluenceonaquaticorganisms. Notonlytheproductitselfwillnotilluminate,butalsowillnotglowinthedarkenvironment,itneedstocooperatewithaquariumlamps,thenitwillhaveafluorescenteffect. Togetbettereffect,werecommendblue,purpleandwhitelight,whenuseditforaquariumdecoration,itwillproducerealisticmodelinganddynamiceffect,youcancreateanidealfortheoceanworld. Thesuctioncupcanbeadsorbedonthebottomofthetankorsideofthetank. Whentakingout,pleaseattentionthateachjellyfishisconnectedbyastringtoasuctioncup,donotdamagethestring. Instructions:Thestringbelowthejellyfishwasconnectedwiththesucker,theycanbeadjusttotheappropriatelengthaccordingtotheirownsizeofthefishtank. Usingapumpcanproducetherealisticeffect,artificialjellyfishfloatinginthewater,butpleasenotethatkeepthepumpfarawayfromthefiltersuctionporttopreventbeinginhaled.