Features: Table corner protectors are made of quality pvc, soft and flexible, and cushions the impact effectively, so your baby can play in home with confidence. Corner protectors are no tools required, simply press the notches of the corner guards against the glass or acrylic edges of the fish tank, each set contains four corner guards. Corner guards are completely transparent and clearly visible, retaining the real appearance of aquariums, fish tanks, furniture. Corner covers are available in 6 sizes: 5mm, 6mm, 8mms, 10mm, 12mm and 15mm, suitable for aquariums, fish tanks, pet tanks, etc. Easy to install. Specifications: Material: PVC Size: Approx. 5mm: 25x25x5mm/ 0.98x0.98x0.19in 6mm: 25x25x6cm/ 0.98x0.98x0.23in 8mms: 30x30x8mms/ 1.18x1.18x0.31in 10mm: 30x30x10mm/ 1.18x1.18x0.39in 12mm: 30x30x12mm/ 1.18x1.18x0.47in 15mm: 30x30x15mm/ 1.18x1.18x0.59in Type: 5mm, 6mm, 8mms, 10mm, 12mm, 15mm Package Includes: 4pcs Fish Tank Corner Protector note: 1: Please allow 1-2cms errors due to manual measurement,ensure that you do not mind before you order. 2: Due to the different between different monitors, the picture may not reflect the actual color of the item.