Brand New Foam Speaker Surrounds 4” KIT INCLUDES: Two (2) 4” Premium Replacement Foam Surrounds - Outside Diameter : 3.8" / 97.53mm. - Inside Diameter before Roll : 3.5" / 88.49mm. Inside Diameter after Roll : 2.9" / 75.40mm. Inner Diameter : 2.7" / 69.99mm. One (1) Detailed Instruction Manual/ Instructions One (1) Bottle Surround Foam Glue. One (1) Detailed Instruction Manual/ Instructions One (1) Bottle Surround Foam Glue. Most Orders Placed Before 2PM and Paid thru PayPal Are Shipped The Same Day; Monday to Friday