CatTongue Grips Non-Abrasive Grip Strips 2-in x 8.5-in Black Tread Strips Anti-Slip Tape in the Anti-Slip Tape department at Lowes.com
Amazon.com: Neoprene Rubber Sheet - 1/8 Inch Thick x 1 Inch Wide x 10 Feet Long Neoprene Rubber Strips Rolls for DIY Gaskets, Pads, Seals, Crafts, Flooring, Cushioning of Anti-Vibration, Anti-Slip :
X-Protector Rubber Strip - 8 PCS Rubber Pads 1 x 4 - Black Non Slip Pad - Universal Grip Strips - Self-Adhesive Rubber Strips - Premium Rubber Feet for Keyboard, Appliances, and Other Small Things! - - Amazon.com
Do stair renovation yourself? Do not forget a suitable anti-slip!
Antislip Trap Rubber Strip Voor In Sleuf - Anti Slip Houten Trap Treden - Rol 15 meter - Lamiwood.nl