Just use scissors to trim it to a perfect fit. Package Includes and Size: you will receive 8 pcs of rubber pads, the quantity is enough for you to use; And the rubber pad size is about 12 x 12... Self-Adhesive Foam Sheets: The adhesive foam pads are made from high-quality neoprene closed-cell foam, with a tensile strength of 50 PSI. Frienda 24 Pcs Black Adhesive Foam Pad 6 x 6 x 1/2 Inch Anti Slip Pad For Equipment 8 Pcs Black Adhesive Foam Padding, Closed Cell Foam Sheet 1/2" Thick 4 Closed Cell Adhesive Foam Good Adhesion: The adhesive foam sheet has a strong adhesive backing, waterproof and non-degumming, and sticks firmly, is an ideal solution for gaskets and insulation projects. Buy 4 Packs Foam Padding Sheets 1/4" Thick x 8" Long x 12" Wide EVA Foam Sheet Non-Slip Anti Vibration Pads at Size&Package: Neoprene Foam Anti Vibration Pads 8-Pack ,There are different sizes for you to choose:4x4x1/2 8 4x4x1/4 4x4x1/8 6x6x1/2 6x6x1/4 6x6x1/8 Weatherproof, oil resistance, resistant to corrosion, dust proof, buffering, flame retardant, shock-absorbing, sound and heat insulation, anti-skidding, and insulating.