Features: brand new and high quality The shielding and protections range are wide, and it can protect your fish from sunburn and light. Limited protections from uv light on fish. Offer fish safe and comfortable environment. Practical and suitable for fish tanks and aquarium. This UV light shade are great fish tanks accessory. Attached with glass tube fixing clip and sliding grooves of fixing clip. Made by high-quality plastic material, durable and safe. Three specifications to choose: Small suitable for 3-W germicidal lamp. Medium suitable for 5W-7W germicidal lamp. Large for 9-13W germicidal lamp. Specifications: Material: Plastics Color: Black Size (Approx.): Small/Medium/L Small-12.4x6.6cm/4.88x2.6in Medium-22.8x6.6cm/8.98x2.6in L-28.8x6.6cm/11.34x2.6in Weight (Approx.): Small-75g Medium-115g L-135g Package Includes: 1 Piece Aquarium Lamp Guard (Small/Medium/L) note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to difference between different monitors, the picture may not reflect the actual color of the item. Thank you!